Home / 127,863.96-176,461.87-74,148.50

Finding the Fourth Proportional to 127,863.96, 176,461.87 and 74,148.50

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Solution

The fourth proportional to 127,863.96, 176,461.87 and 74,148.50 is: 102,330.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,863.96 : 176,461.87 = 74,148.50 : x
  2. Step 2: Convert to fraction form
    127,863.96/176,461.87 = 74,148.50/x
  3. Step 3: Cross multiply
    127,863.96x = 176,461.87 × 74,148.50
  4. Step 4: Simplify right side
    127,863.96x = 13,084,382,967.70
  5. Step 5: Solve for x
    x = 13,084,382,967.70/127,863.96
  6. Step 6: Final answer
    x = 102,330.50

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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.