Home / 286,259.40-429,389.10-233,115.30

Finding the Fourth Proportional to 286,259.40, 429,389.10 and 233,115.30

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Solution

The fourth proportional to 286,259.40, 429,389.10 and 233,115.30 is: 349,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,259.40 : 429,389.10 = 233,115.30 : x
  2. Step 2: Convert to fraction form
    286,259.40/429,389.10 = 233,115.30/x
  3. Step 3: Cross multiply
    286,259.40x = 429,389.10 × 233,115.30
  4. Step 4: Simplify right side
    286,259.40x = 100,097,168,863.23
  5. Step 5: Solve for x
    x = 100,097,168,863.23/286,259.40
  6. Step 6: Final answer
    x = 349,672.95

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.