Home / 127,841.75-176,382.51-74,116.04

Finding the Fourth Proportional to 127,841.75, 176,382.51 and 74,116.04

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Solution

The fourth proportional to 127,841.75, 176,382.51 and 74,116.04 is: 102,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,841.75 : 176,382.51 = 74,116.04 : x
  2. Step 2: Convert to fraction form
    127,841.75/176,382.51 = 74,116.04/x
  3. Step 3: Cross multiply
    127,841.75x = 176,382.51 × 74,116.04
  4. Step 4: Simplify right side
    127,841.75x = 13,072,773,415.67
  5. Step 5: Solve for x
    x = 13,072,773,415.67/127,841.75
  6. Step 6: Final answer
    x = 102,257.47

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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.