Home / 157,193.40-217,121.76-114,104.16

Finding the Fourth Proportional to 157,193.40, 217,121.76 and 114,104.16

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Solution

The fourth proportional to 157,193.40, 217,121.76 and 114,104.16 is: 157,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,193.40 : 217,121.76 = 114,104.16 : x
  2. Step 2: Convert to fraction form
    157,193.40/217,121.76 = 114,104.16/x
  3. Step 3: Cross multiply
    157,193.40x = 217,121.76 × 114,104.16
  4. Step 4: Simplify right side
    157,193.40x = 24,774,496,042.52
  5. Step 5: Solve for x
    x = 24,774,496,042.52/157,193.40
  6. Step 6: Final answer
    x = 157,605.19

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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.