Home / 126,726.50-174,879.87-69,365.81

Finding the Fourth Proportional to 126,726.50, 174,879.87 and 69,365.81

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Solution

The fourth proportional to 126,726.50, 174,879.87 and 69,365.81 is: 95,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,726.50 : 174,879.87 = 69,365.81 : x
  2. Step 2: Convert to fraction form
    126,726.50/174,879.87 = 69,365.81/x
  3. Step 3: Cross multiply
    126,726.50x = 174,879.87 × 69,365.81
  4. Step 4: Simplify right side
    126,726.50x = 12,130,683,835.24
  5. Step 5: Solve for x
    x = 12,130,683,835.24/126,726.50
  6. Step 6: Final answer
    x = 95,723.34

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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.