Home / 159,370.08-220,005.36-92,289.12

Finding the Fourth Proportional to 159,370.08, 220,005.36 and 92,289.12

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Solution

The fourth proportional to 159,370.08, 220,005.36 and 92,289.12 is: 127,402.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,370.08 : 220,005.36 = 92,289.12 : x
  2. Step 2: Convert to fraction form
    159,370.08/220,005.36 = 92,289.12/x
  3. Step 3: Cross multiply
    159,370.08x = 220,005.36 × 92,289.12
  4. Step 4: Simplify right side
    159,370.08x = 20,304,101,069.68
  5. Step 5: Solve for x
    x = 20,304,101,069.68/159,370.08
  6. Step 6: Final answer
    x = 127,402.21

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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.