Home / 150,547.33-207,755-86,885.13

Finding the Fourth Proportional to 150,547.33, 207,755 and 86,885.13

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Solution

The fourth proportional to 150,547.33, 207,755 and 86,885.13 is: 119,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,547.33 : 207,755 = 86,885.13 : x
  2. Step 2: Convert to fraction form
    150,547.33/207,755 = 86,885.13/x
  3. Step 3: Cross multiply
    150,547.33x = 207,755 × 86,885.13
  4. Step 4: Simplify right side
    150,547.33x = 18,050,820,183.15
  5. Step 5: Solve for x
    x = 18,050,820,183.15/150,547.33
  6. Step 6: Final answer
    x = 119,901.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.