Home / 126,358.31-174,232.31-103,316.24

Finding the Fourth Proportional to 126,358.31, 174,232.31 and 103,316.24

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Solution

The fourth proportional to 126,358.31, 174,232.31 and 103,316.24 is: 142,460.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,358.31 : 174,232.31 = 103,316.24 : x
  2. Step 2: Convert to fraction form
    126,358.31/174,232.31 = 103,316.24/x
  3. Step 3: Cross multiply
    126,358.31x = 174,232.31 × 103,316.24
  4. Step 4: Simplify right side
    126,358.31x = 18,001,027,849.59
  5. Step 5: Solve for x
    x = 18,001,027,849.59/126,358.31
  6. Step 6: Final answer
    x = 142,460.18

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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.