Home / 157,651.47-217,563.66-86,036.10

Finding the Fourth Proportional to 157,651.47, 217,563.66 and 86,036.10

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Solution

The fourth proportional to 157,651.47, 217,563.66 and 86,036.10 is: 118,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,651.47 : 217,563.66 = 86,036.10 : x
  2. Step 2: Convert to fraction form
    157,651.47/217,563.66 = 86,036.10/x
  3. Step 3: Cross multiply
    157,651.47x = 217,563.66 × 86,036.10
  4. Step 4: Simplify right side
    157,651.47x = 18,718,328,808.13
  5. Step 5: Solve for x
    x = 18,718,328,808.13/157,651.47
  6. Step 6: Final answer
    x = 118,732.35

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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.