Home / 127,566.90-176,066.69-84,470.42

Finding the Fourth Proportional to 127,566.90, 176,066.69 and 84,470.42

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Solution

The fourth proportional to 127,566.90, 176,066.69 and 84,470.42 is: 116,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,566.90 : 176,066.69 = 84,470.42 : x
  2. Step 2: Convert to fraction form
    127,566.90/176,066.69 = 84,470.42/x
  3. Step 3: Cross multiply
    127,566.90x = 176,066.69 × 84,470.42
  4. Step 4: Simplify right side
    127,566.90x = 14,872,427,252.31
  5. Step 5: Solve for x
    x = 14,872,427,252.31/127,566.90
  6. Step 6: Final answer
    x = 116,585.32

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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.