Home / 148,534.26-222,478.65-91,434.12

Finding the Fourth Proportional to 148,534.26, 222,478.65 and 91,434.12

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Solution

The fourth proportional to 148,534.26, 222,478.65 and 91,434.12 is: 136,952.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,534.26 : 222,478.65 = 91,434.12 : x
  2. Step 2: Convert to fraction form
    148,534.26/222,478.65 = 91,434.12/x
  3. Step 3: Cross multiply
    148,534.26x = 222,478.65 × 91,434.12
  4. Step 4: Simplify right side
    148,534.26x = 20,342,139,581.54
  5. Step 5: Solve for x
    x = 20,342,139,581.54/148,534.26
  6. Step 6: Final answer
    x = 136,952.51

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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.