Home / 153,327.92-211,592.50-85,343.43

Finding the Fourth Proportional to 153,327.92, 211,592.50 and 85,343.43

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Solution

The fourth proportional to 153,327.92, 211,592.50 and 85,343.43 is: 117,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,327.92 : 211,592.50 = 85,343.43 : x
  2. Step 2: Convert to fraction form
    153,327.92/211,592.50 = 85,343.43/x
  3. Step 3: Cross multiply
    153,327.92x = 211,592.50 × 85,343.43
  4. Step 4: Simplify right side
    153,327.92x = 18,058,030,177.34
  5. Step 5: Solve for x
    x = 18,058,030,177.34/153,327.92
  6. Step 6: Final answer
    x = 117,773.92

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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.