Home / 130,765.97-180,451.73-74,176.13

Finding the Fourth Proportional to 130,765.97, 180,451.73 and 74,176.13

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Solution

The fourth proportional to 130,765.97, 180,451.73 and 74,176.13 is: 102,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,765.97 : 180,451.73 = 74,176.13 : x
  2. Step 2: Convert to fraction form
    130,765.97/180,451.73 = 74,176.13/x
  3. Step 3: Cross multiply
    130,765.97x = 180,451.73 × 74,176.13
  4. Step 4: Simplify right side
    130,765.97x = 13,385,210,612.32
  5. Step 5: Solve for x
    x = 13,385,210,612.32/130,765.97
  6. Step 6: Final answer
    x = 102,360.05

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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.