Home / 286,232.20-429,348.30-86,583.40

Finding the Fourth Proportional to 286,232.20, 429,348.30 and 86,583.40

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Solution

The fourth proportional to 286,232.20, 429,348.30 and 86,583.40 is: 129,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,232.20 : 429,348.30 = 86,583.40 : x
  2. Step 2: Convert to fraction form
    286,232.20/429,348.30 = 86,583.40/x
  3. Step 3: Cross multiply
    286,232.20x = 429,348.30 × 86,583.40
  4. Step 4: Simplify right side
    286,232.20x = 37,174,435,598.22
  5. Step 5: Solve for x
    x = 37,174,435,598.22/286,232.20
  6. Step 6: Final answer
    x = 129,875.10

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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.