Home / 156,723.59-235,125.18-72,544.48

Finding the Fourth Proportional to 156,723.59, 235,125.18 and 72,544.48

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Solution

The fourth proportional to 156,723.59, 235,125.18 and 72,544.48 is: 108,835.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,723.59 : 235,125.18 = 72,544.48 : x
  2. Step 2: Convert to fraction form
    156,723.59/235,125.18 = 72,544.48/x
  3. Step 3: Cross multiply
    156,723.59x = 235,125.18 × 72,544.48
  4. Step 4: Simplify right side
    156,723.59x = 17,057,033,330.19
  5. Step 5: Solve for x
    x = 17,057,033,330.19/156,723.59
  6. Step 6: Final answer
    x = 108,835.13

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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.