Home / 127,023.18-175,295.51-69,665.15

Finding the Fourth Proportional to 127,023.18, 175,295.51 and 69,665.15

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Solution

The fourth proportional to 127,023.18, 175,295.51 and 69,665.15 is: 96,139.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,023.18 : 175,295.51 = 69,665.15 : x
  2. Step 2: Convert to fraction form
    127,023.18/175,295.51 = 69,665.15/x
  3. Step 3: Cross multiply
    127,023.18x = 175,295.51 × 69,665.15
  4. Step 4: Simplify right side
    127,023.18x = 12,211,987,998.48
  5. Step 5: Solve for x
    x = 12,211,987,998.48/127,023.18
  6. Step 6: Final answer
    x = 96,139.84

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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.