Home / 156,924.03-235,444.37-72,724.53

Finding the Fourth Proportional to 156,924.03, 235,444.37 and 72,724.53

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Solution

The fourth proportional to 156,924.03, 235,444.37 and 72,724.53 is: 109,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,924.03 : 235,444.37 = 72,724.53 : x
  2. Step 2: Convert to fraction form
    156,924.03/235,444.37 = 72,724.53/x
  3. Step 3: Cross multiply
    156,924.03x = 235,444.37 × 72,724.53
  4. Step 4: Simplify right side
    156,924.03x = 17,122,580,785.77
  5. Step 5: Solve for x
    x = 17,122,580,785.77/156,924.03
  6. Step 6: Final answer
    x = 109,113.82

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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.