Home / 130,851.92-180,477.96-88,366.16

Finding the Fourth Proportional to 130,851.92, 180,477.96 and 88,366.16

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Solution

The fourth proportional to 130,851.92, 180,477.96 and 88,366.16 is: 121,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,851.92 : 180,477.96 = 88,366.16 : x
  2. Step 2: Convert to fraction form
    130,851.92/180,477.96 = 88,366.16/x
  3. Step 3: Cross multiply
    130,851.92x = 180,477.96 × 88,366.16
  4. Step 4: Simplify right side
    130,851.92x = 15,948,144,289.83
  5. Step 5: Solve for x
    x = 15,948,144,289.83/130,851.92
  6. Step 6: Final answer
    x = 121,879.33

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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.