Home / 127,865.58-176,464.11-74,150.13

Finding the Fourth Proportional to 127,865.58, 176,464.11 and 74,150.13

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Solution

The fourth proportional to 127,865.58, 176,464.11 and 74,150.13 is: 102,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,865.58 : 176,464.11 = 74,150.13 : x
  2. Step 2: Convert to fraction form
    127,865.58/176,464.11 = 74,150.13/x
  3. Step 3: Cross multiply
    127,865.58x = 176,464.11 × 74,150.13
  4. Step 4: Simplify right side
    127,865.58x = 13,084,836,696.83
  5. Step 5: Solve for x
    x = 13,084,836,696.83/127,865.58
  6. Step 6: Final answer
    x = 102,332.75

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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.