Home / 127,117.08-175,424.82-69,758.85

Finding the Fourth Proportional to 127,117.08, 175,424.82 and 69,758.85

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Solution

The fourth proportional to 127,117.08, 175,424.82 and 69,758.85 is: 96,269.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.08 : 175,424.82 = 69,758.85 : x
  2. Step 2: Convert to fraction form
    127,117.08/175,424.82 = 69,758.85/x
  3. Step 3: Cross multiply
    127,117.08x = 175,424.82 × 69,758.85
  4. Step 4: Simplify right side
    127,117.08x = 12,237,433,704.66
  5. Step 5: Solve for x
    x = 12,237,433,704.66/127,117.08
  6. Step 6: Final answer
    x = 96,269.00

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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.