Home / 148,867.14-205,440.57-85,225.44

Finding the Fourth Proportional to 148,867.14, 205,440.57 and 85,225.44

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Solution

The fourth proportional to 148,867.14, 205,440.57 and 85,225.44 is: 117,613.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,867.14 : 205,440.57 = 85,225.44 : x
  2. Step 2: Convert to fraction form
    148,867.14/205,440.57 = 85,225.44/x
  3. Step 3: Cross multiply
    148,867.14x = 205,440.57 × 85,225.44
  4. Step 4: Simplify right side
    148,867.14x = 17,508,762,972.10
  5. Step 5: Solve for x
    x = 17,508,762,972.10/148,867.14
  6. Step 6: Final answer
    x = 117,613.35

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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.