Home / 162,328.38-224,008.86-90,708.98

Finding the Fourth Proportional to 162,328.38, 224,008.86 and 90,708.98

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Solution

The fourth proportional to 162,328.38, 224,008.86 and 90,708.98 is: 125,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,328.38 : 224,008.86 = 90,708.98 : x
  2. Step 2: Convert to fraction form
    162,328.38/224,008.86 = 90,708.98/x
  3. Step 3: Cross multiply
    162,328.38x = 224,008.86 × 90,708.98
  4. Step 4: Simplify right side
    162,328.38x = 20,319,615,201.56
  5. Step 5: Solve for x
    x = 20,319,615,201.56/162,328.38
  6. Step 6: Final answer
    x = 125,175.99

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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.