Home / 162,328.30-224,008.88-90,708.91

Finding the Fourth Proportional to 162,328.30, 224,008.88 and 90,708.91

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Solution

The fourth proportional to 162,328.30, 224,008.88 and 90,708.91 is: 125,175.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328.30 : 224,008.88 = 90,708.91 : x
  2. Step 2: Convert to fraction form
    162,328.30/224,008.88 = 90,708.91/x
  3. Step 3: Cross multiply
    162,328.30x = 224,008.88 × 90,708.91
  4. Step 4: Simplify right side
    162,328.30x = 20,319,599,761.53
  5. Step 5: Solve for x
    x = 20,319,599,761.53/162,328.30
  6. Step 6: Final answer
    x = 125,175.96

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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.