Home / 150,538.02-207,727.50-86,896.32

Finding the Fourth Proportional to 150,538.02, 207,727.50 and 86,896.32

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Solution

The fourth proportional to 150,538.02, 207,727.50 and 86,896.32 is: 119,908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,538.02 : 207,727.50 = 86,896.32 : x
  2. Step 2: Convert to fraction form
    150,538.02/207,727.50 = 86,896.32/x
  3. Step 3: Cross multiply
    150,538.02x = 207,727.50 × 86,896.32
  4. Step 4: Simplify right side
    150,538.02x = 18,050,755,312.80
  5. Step 5: Solve for x
    x = 18,050,755,312.80/150,538.02
  6. Step 6: Final answer
    x = 119,908.28

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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.