Home / 127,733.91-176,272.84-74,050.04

Finding the Fourth Proportional to 127,733.91, 176,272.84 and 74,050.04

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Solution

The fourth proportional to 127,733.91, 176,272.84 and 74,050.04 is: 102,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,733.91 : 176,272.84 = 74,050.04 : x
  2. Step 2: Convert to fraction form
    127,733.91/176,272.84 = 74,050.04/x
  3. Step 3: Cross multiply
    127,733.91x = 176,272.84 × 74,050.04
  4. Step 4: Simplify right side
    127,733.91x = 13,053,011,108.47
  5. Step 5: Solve for x
    x = 13,053,011,108.47/127,733.91
  6. Step 6: Final answer
    x = 102,189.09

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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.