Home / 157,947.20-236,851.68-47,117.12

Finding the Fourth Proportional to 157,947.20, 236,851.68 and 47,117.12

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Solution

The fourth proportional to 157,947.20, 236,851.68 and 47,117.12 is: 70,655.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,947.20 : 236,851.68 = 47,117.12 : x
  2. Step 2: Convert to fraction form
    157,947.20/236,851.68 = 47,117.12/x
  3. Step 3: Cross multiply
    157,947.20x = 236,851.68 × 47,117.12
  4. Step 4: Simplify right side
    157,947.20x = 11,159,769,028.76
  5. Step 5: Solve for x
    x = 11,159,769,028.76/157,947.20
  6. Step 6: Final answer
    x = 70,655.06

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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.