Home / 136,527.64-188,385.32-76,085.04

Finding the Fourth Proportional to 136,527.64, 188,385.32 and 76,085.04

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Solution

The fourth proportional to 136,527.64, 188,385.32 and 76,085.04 is: 104,984.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.64 : 188,385.32 = 76,085.04 : x
  2. Step 2: Convert to fraction form
    136,527.64/188,385.32 = 76,085.04/x
  3. Step 3: Cross multiply
    136,527.64x = 188,385.32 × 76,085.04
  4. Step 4: Simplify right side
    136,527.64x = 14,333,304,607.61
  5. Step 5: Solve for x
    x = 14,333,304,607.61/136,527.64
  6. Step 6: Final answer
    x = 104,984.64

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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.