Home / 488,111.28-732,091.68-133,154.16

Finding the Fourth Proportional to 488,111.28, 732,091.68 and 133,154.16

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Solution

The fourth proportional to 488,111.28, 732,091.68 and 133,154.16 is: 199,710.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,111.28 : 732,091.68 = 133,154.16 : x
  2. Step 2: Convert to fraction form
    488,111.28/732,091.68 = 133,154.16/x
  3. Step 3: Cross multiply
    488,111.28x = 732,091.68 × 133,154.16
  4. Step 4: Simplify right side
    488,111.28x = 97,481,052,693.39
  5. Step 5: Solve for x
    x = 97,481,052,693.39/488,111.28
  6. Step 6: Final answer
    x = 199,710.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.