Home / 181,154.04-250,000.40-100,581.58

Finding the Fourth Proportional to 181,154.04, 250,000.40 and 100,581.58

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Solution

The fourth proportional to 181,154.04, 250,000.40 and 100,581.58 is: 138,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,154.04 : 250,000.40 = 100,581.58 : x
  2. Step 2: Convert to fraction form
    181,154.04/250,000.40 = 100,581.58/x
  3. Step 3: Cross multiply
    181,154.04x = 250,000.40 × 100,581.58
  4. Step 4: Simplify right side
    181,154.04x = 25,145,435,232.63
  5. Step 5: Solve for x
    x = 25,145,435,232.63/181,154.04
  6. Step 6: Final answer
    x = 138,806.92

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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.