Home / 127,117.77-175,422.01-69,758.04

Finding the Fourth Proportional to 127,117.77, 175,422.01 and 69,758.04

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Solution

The fourth proportional to 127,117.77, 175,422.01 and 69,758.04 is: 96,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,117.77 : 175,422.01 = 69,758.04 : x
  2. Step 2: Convert to fraction form
    127,117.77/175,422.01 = 69,758.04/x
  3. Step 3: Cross multiply
    127,117.77x = 175,422.01 × 69,758.04
  4. Step 4: Simplify right side
    127,117.77x = 12,237,095,590.46
  5. Step 5: Solve for x
    x = 12,237,095,590.46/127,117.77
  6. Step 6: Final answer
    x = 96,265.81

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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.