Home / 157,941.88-217,834.39-119,308.61

Finding the Fourth Proportional to 157,941.88, 217,834.39 and 119,308.61

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Solution

The fourth proportional to 157,941.88, 217,834.39 and 119,308.61 is: 164,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,941.88 : 217,834.39 = 119,308.61 : x
  2. Step 2: Convert to fraction form
    157,941.88/217,834.39 = 119,308.61/x
  3. Step 3: Cross multiply
    157,941.88x = 217,834.39 × 119,308.61
  4. Step 4: Simplify right side
    157,941.88x = 25,989,518,281.10
  5. Step 5: Solve for x
    x = 25,989,518,281.10/157,941.88
  6. Step 6: Final answer
    x = 164,551.15

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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.