Home / 126,543.36-174,630.63-69,182.81

Finding the Fourth Proportional to 126,543.36, 174,630.63 and 69,182.81

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Solution

The fourth proportional to 126,543.36, 174,630.63 and 69,182.81 is: 95,472.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,543.36 : 174,630.63 = 69,182.81 : x
  2. Step 2: Convert to fraction form
    126,543.36/174,630.63 = 69,182.81/x
  3. Step 3: Cross multiply
    126,543.36x = 174,630.63 × 69,182.81
  4. Step 4: Simplify right side
    126,543.36x = 12,081,437,695.47
  5. Step 5: Solve for x
    x = 12,081,437,695.47/126,543.36
  6. Step 6: Final answer
    x = 95,472.71

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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.