Home / 157,147.76-235,715.24-38,816.12

Finding the Fourth Proportional to 157,147.76, 235,715.24 and 38,816.12

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Solution

The fourth proportional to 157,147.76, 235,715.24 and 38,816.12 is: 58,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,147.76 : 235,715.24 = 38,816.12 : x
  2. Step 2: Convert to fraction form
    157,147.76/235,715.24 = 38,816.12/x
  3. Step 3: Cross multiply
    157,147.76x = 235,715.24 × 38,816.12
  4. Step 4: Simplify right side
    157,147.76x = 9,149,551,041.67
  5. Step 5: Solve for x
    x = 9,149,551,041.67/157,147.76
  6. Step 6: Final answer
    x = 58,222.60

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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.