Home / 127,801.30-176,366.52-74,118.16

Finding the Fourth Proportional to 127,801.30, 176,366.52 and 74,118.16

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Solution

The fourth proportional to 127,801.30, 176,366.52 and 74,118.16 is: 102,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,801.30 : 176,366.52 = 74,118.16 : x
  2. Step 2: Convert to fraction form
    127,801.30/176,366.52 = 74,118.16/x
  3. Step 3: Cross multiply
    127,801.30x = 176,366.52 × 74,118.16
  4. Step 4: Simplify right side
    127,801.30x = 13,071,961,948.00
  5. Step 5: Solve for x
    x = 13,071,961,948.00/127,801.30
  6. Step 6: Final answer
    x = 102,283.48

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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.