Home / 127,179.16-175,509.43-69,823.82

Finding the Fourth Proportional to 127,179.16, 175,509.43 and 69,823.82

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Solution

The fourth proportional to 127,179.16, 175,509.43 and 69,823.82 is: 96,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,179.16 : 175,509.43 = 69,823.82 : x
  2. Step 2: Convert to fraction form
    127,179.16/175,509.43 = 69,823.82/x
  3. Step 3: Cross multiply
    127,179.16x = 175,509.43 × 69,823.82
  4. Step 4: Simplify right side
    127,179.16x = 12,254,737,796.52
  5. Step 5: Solve for x
    x = 12,254,737,796.52/127,179.16
  6. Step 6: Final answer
    x = 96,358.07

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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.