Home / 151,693.32-209,335.34-83,710.92

Finding the Fourth Proportional to 151,693.32, 209,335.34 and 83,710.92

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Solution

The fourth proportional to 151,693.32, 209,335.34 and 83,710.92 is: 115,520.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,693.32 : 209,335.34 = 83,710.92 : x
  2. Step 2: Convert to fraction form
    151,693.32/209,335.34 = 83,710.92/x
  3. Step 3: Cross multiply
    151,693.32x = 209,335.34 × 83,710.92
  4. Step 4: Simplify right side
    151,693.32x = 17,523,653,899.91
  5. Step 5: Solve for x
    x = 17,523,653,899.91/151,693.32
  6. Step 6: Final answer
    x = 115,520.27

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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.