Home / 181,571.68-250,575.15-99,903.43

Finding the Fourth Proportional to 181,571.68, 250,575.15 and 99,903.43

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Solution

The fourth proportional to 181,571.68, 250,575.15 and 99,903.43 is: 137,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,571.68 : 250,575.15 = 99,903.43 : x
  2. Step 2: Convert to fraction form
    181,571.68/250,575.15 = 99,903.43/x
  3. Step 3: Cross multiply
    181,571.68x = 250,575.15 × 99,903.43
  4. Step 4: Simplify right side
    181,571.68x = 25,033,316,957.76
  5. Step 5: Solve for x
    x = 25,033,316,957.76/181,571.68
  6. Step 6: Final answer
    x = 137,870.16

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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.