Home / 127,043.11-175,319.75-69,682.90

Finding the Fourth Proportional to 127,043.11, 175,319.75 and 69,682.90

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Solution

The fourth proportional to 127,043.11, 175,319.75 and 69,682.90 is: 96,162.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,043.11 : 175,319.75 = 69,682.90 : x
  2. Step 2: Convert to fraction form
    127,043.11/175,319.75 = 69,682.90/x
  3. Step 3: Cross multiply
    127,043.11x = 175,319.75 × 69,682.90
  4. Step 4: Simplify right side
    127,043.11x = 12,216,788,607.28
  5. Step 5: Solve for x
    x = 12,216,788,607.28/127,043.11
  6. Step 6: Final answer
    x = 96,162.54

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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.