Home / 148,216.16-204,400.13-137,207.34

Finding the Fourth Proportional to 148,216.16, 204,400.13 and 137,207.34

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Solution

The fourth proportional to 148,216.16, 204,400.13 and 137,207.34 is: 189,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,216.16 : 204,400.13 = 137,207.34 : x
  2. Step 2: Convert to fraction form
    148,216.16/204,400.13 = 137,207.34/x
  3. Step 3: Cross multiply
    148,216.16x = 204,400.13 × 137,207.34
  4. Step 4: Simplify right side
    148,216.16x = 28,045,197,446.92
  5. Step 5: Solve for x
    x = 28,045,197,446.92/148,216.16
  6. Step 6: Final answer
    x = 189,218.21

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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.