Home / 96,347.20-144,434.40-85,849.60

Finding the Fourth Proportional to 96,347.20, 144,434.40 and 85,849.60

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Solution

The fourth proportional to 96,347.20, 144,434.40 and 85,849.60 is: 128,697.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,347.20 : 144,434.40 = 85,849.60 : x
  2. Step 2: Convert to fraction form
    96,347.20/144,434.40 = 85,849.60/x
  3. Step 3: Cross multiply
    96,347.20x = 144,434.40 × 85,849.60
  4. Step 4: Simplify right side
    96,347.20x = 12,399,635,466.24
  5. Step 5: Solve for x
    x = 12,399,635,466.24/96,347.20
  6. Step 6: Final answer
    x = 128,697.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.