Home / 126,328.16-174,332.50-69,739.13

Finding the Fourth Proportional to 126,328.16, 174,332.50 and 69,739.13

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Solution

The fourth proportional to 126,328.16, 174,332.50 and 69,739.13 is: 96,239.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,328.16 : 174,332.50 = 69,739.13 : x
  2. Step 2: Convert to fraction form
    126,328.16/174,332.50 = 69,739.13/x
  3. Step 3: Cross multiply
    126,328.16x = 174,332.50 × 69,739.13
  4. Step 4: Simplify right side
    126,328.16x = 12,157,795,834.71
  5. Step 5: Solve for x
    x = 12,157,795,834.71/126,328.16
  6. Step 6: Final answer
    x = 96,239.80

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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.