Home / 156,572.91-234,557.04-93,443.40

Finding the Fourth Proportional to 156,572.91, 234,557.04 and 93,443.40

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Solution

The fourth proportional to 156,572.91, 234,557.04 and 93,443.40 is: 139,984.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,572.91 : 234,557.04 = 93,443.40 : x
  2. Step 2: Convert to fraction form
    156,572.91/234,557.04 = 93,443.40/x
  3. Step 3: Cross multiply
    156,572.91x = 234,557.04 × 93,443.40
  4. Step 4: Simplify right side
    156,572.91x = 21,917,807,311.54
  5. Step 5: Solve for x
    x = 21,917,807,311.54/156,572.91
  6. Step 6: Final answer
    x = 139,984.67

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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.