Home / 286,233.90-429,350.85-261,302.10

Finding the Fourth Proportional to 286,233.90, 429,350.85 and 261,302.10

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Solution

The fourth proportional to 286,233.90, 429,350.85 and 261,302.10 is: 391,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,233.90 : 429,350.85 = 261,302.10 : x
  2. Step 2: Convert to fraction form
    286,233.90/429,350.85 = 261,302.10/x
  3. Step 3: Cross multiply
    286,233.90x = 429,350.85 × 261,302.10
  4. Step 4: Simplify right side
    286,233.90x = 112,190,278,741.79
  5. Step 5: Solve for x
    x = 112,190,278,741.79/286,233.90
  6. Step 6: Final answer
    x = 391,953.15

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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.