Home / 157,784.86-236,641.92-45,440.02

Finding the Fourth Proportional to 157,784.86, 236,641.92 and 45,440.02

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Solution

The fourth proportional to 157,784.86, 236,641.92 and 45,440.02 is: 68,149.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,784.86 : 236,641.92 = 45,440.02 : x
  2. Step 2: Convert to fraction form
    157,784.86/236,641.92 = 45,440.02/x
  3. Step 3: Cross multiply
    157,784.86x = 236,641.92 × 45,440.02
  4. Step 4: Simplify right side
    157,784.86x = 10,753,013,577.64
  5. Step 5: Solve for x
    x = 10,753,013,577.64/157,784.86
  6. Step 6: Final answer
    x = 68,149.84

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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.