Home / 127,755.16-176,302.29-69,611.59

Finding the Fourth Proportional to 127,755.16, 176,302.29 and 69,611.59

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Solution

The fourth proportional to 127,755.16, 176,302.29 and 69,611.59 is: 96,064.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,755.16 : 176,302.29 = 69,611.59 : x
  2. Step 2: Convert to fraction form
    127,755.16/176,302.29 = 69,611.59/x
  3. Step 3: Cross multiply
    127,755.16x = 176,302.29 × 69,611.59
  4. Step 4: Simplify right side
    127,755.16x = 12,272,682,727.54
  5. Step 5: Solve for x
    x = 12,272,682,727.54/127,755.16
  6. Step 6: Final answer
    x = 96,064.09

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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.