Home / 127,943.04-176,582.88-74,272.56

Finding the Fourth Proportional to 127,943.04, 176,582.88 and 74,272.56

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Solution

The fourth proportional to 127,943.04, 176,582.88 and 74,272.56 is: 102,508.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,943.04 : 176,582.88 = 74,272.56 : x
  2. Step 2: Convert to fraction form
    127,943.04/176,582.88 = 74,272.56/x
  3. Step 3: Cross multiply
    127,943.04x = 176,582.88 × 74,272.56
  4. Step 4: Simplify right side
    127,943.04x = 13,115,262,549.77
  5. Step 5: Solve for x
    x = 13,115,262,549.77/127,943.04
  6. Step 6: Final answer
    x = 102,508.60

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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.