Home / 162,151.32-223,774.26-90,532.20

Finding the Fourth Proportional to 162,151.32, 223,774.26 and 90,532.20

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Solution

The fourth proportional to 162,151.32, 223,774.26 and 90,532.20 is: 124,937.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,151.32 : 223,774.26 = 90,532.20 : x
  2. Step 2: Convert to fraction form
    162,151.32/223,774.26 = 90,532.20/x
  3. Step 3: Cross multiply
    162,151.32x = 223,774.26 × 90,532.20
  4. Step 4: Simplify right side
    162,151.32x = 20,258,776,061.17
  5. Step 5: Solve for x
    x = 20,258,776,061.17/162,151.32
  6. Step 6: Final answer
    x = 124,937.47

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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.