Home / 156,905.35-235,358.03-96,981.55

Finding the Fourth Proportional to 156,905.35, 235,358.03 and 96,981.55

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Solution

The fourth proportional to 156,905.35, 235,358.03 and 96,981.55 is: 145,472.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,905.35 : 235,358.03 = 96,981.55 : x
  2. Step 2: Convert to fraction form
    156,905.35/235,358.03 = 96,981.55/x
  3. Step 3: Cross multiply
    156,905.35x = 235,358.03 × 96,981.55
  4. Step 4: Simplify right side
    156,905.35x = 22,825,386,554.35
  5. Step 5: Solve for x
    x = 22,825,386,554.35/156,905.35
  6. Step 6: Final answer
    x = 145,472.33

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1.5x scale

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.