Home / 126,931.48-175,182.93-73,215.32

Finding the Fourth Proportional to 126,931.48, 175,182.93 and 73,215.32

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Solution

The fourth proportional to 126,931.48, 175,182.93 and 73,215.32 is: 101,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,931.48 : 175,182.93 = 73,215.32 : x
  2. Step 2: Convert to fraction form
    126,931.48/175,182.93 = 73,215.32/x
  3. Step 3: Cross multiply
    126,931.48x = 175,182.93 × 73,215.32
  4. Step 4: Simplify right side
    126,931.48x = 12,826,073,402.57
  5. Step 5: Solve for x
    x = 12,826,073,402.57/126,931.48
  6. Step 6: Final answer
    x = 101,047.22

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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.