Home / 126,714.60-174,816.30-81,386.24

Finding the Fourth Proportional to 126,714.60, 174,816.30 and 81,386.24

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Solution

The fourth proportional to 126,714.60, 174,816.30 and 81,386.24 is: 112,280.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,714.60 : 174,816.30 = 81,386.24 : x
  2. Step 2: Convert to fraction form
    126,714.60/174,816.30 = 81,386.24/x
  3. Step 3: Cross multiply
    126,714.60x = 174,816.30 × 81,386.24
  4. Step 4: Simplify right side
    126,714.60x = 14,227,641,347.71
  5. Step 5: Solve for x
    x = 14,227,641,347.71/126,714.60
  6. Step 6: Final answer
    x = 112,280.99

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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.