Home / 157,406.20-236,138.10-63,921.40

Finding the Fourth Proportional to 157,406.20, 236,138.10 and 63,921.40

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Solution

The fourth proportional to 157,406.20, 236,138.10 and 63,921.40 is: 95,893.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,406.20 : 236,138.10 = 63,921.40 : x
  2. Step 2: Convert to fraction form
    157,406.20/236,138.10 = 63,921.40/x
  3. Step 3: Cross multiply
    157,406.20x = 236,138.10 × 63,921.40
  4. Step 4: Simplify right side
    157,406.20x = 15,094,277,945.34
  5. Step 5: Solve for x
    x = 15,094,277,945.34/157,406.20
  6. Step 6: Final answer
    x = 95,893.80

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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.