Home / 151,370.30-208,875.32-93,217.80

Finding the Fourth Proportional to 151,370.30, 208,875.32 and 93,217.80

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Solution

The fourth proportional to 151,370.30, 208,875.32 and 93,217.80 is: 128,630.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,370.30 : 208,875.32 = 93,217.80 : x
  2. Step 2: Convert to fraction form
    151,370.30/208,875.32 = 93,217.80/x
  3. Step 3: Cross multiply
    151,370.30x = 208,875.32 × 93,217.80
  4. Step 4: Simplify right side
    151,370.30x = 19,470,897,338.61
  5. Step 5: Solve for x
    x = 19,470,897,338.61/151,370.30
  6. Step 6: Final answer
    x = 128,630.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.