Home / 127,824.74-176,411.31-76,854.14

Finding the Fourth Proportional to 127,824.74, 176,411.31 and 76,854.14

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Solution

The fourth proportional to 127,824.74, 176,411.31 and 76,854.14 is: 106,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,824.74 : 176,411.31 = 76,854.14 : x
  2. Step 2: Convert to fraction form
    127,824.74/176,411.31 = 76,854.14/x
  3. Step 3: Cross multiply
    127,824.74x = 176,411.31 × 76,854.14
  4. Step 4: Simplify right side
    127,824.74x = 13,557,939,516.32
  5. Step 5: Solve for x
    x = 13,557,939,516.32/127,824.74
  6. Step 6: Final answer
    x = 106,066.63

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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.