Home / 126,683.28-174,746.76-83,663.17

Finding the Fourth Proportional to 126,683.28, 174,746.76 and 83,663.17

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Solution

The fourth proportional to 126,683.28, 174,746.76 and 83,663.17 is: 115,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,683.28 : 174,746.76 = 83,663.17 : x
  2. Step 2: Convert to fraction form
    126,683.28/174,746.76 = 83,663.17/x
  3. Step 3: Cross multiply
    126,683.28x = 174,746.76 × 83,663.17
  4. Step 4: Simplify right side
    126,683.28x = 14,619,867,888.83
  5. Step 5: Solve for x
    x = 14,619,867,888.83/126,683.28
  6. Step 6: Final answer
    x = 115,404.87

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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.