Home / 174,139.20-240,310.80-98,690.40

Finding the Fourth Proportional to 174,139.20, 240,310.80 and 98,690.40

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Solution

The fourth proportional to 174,139.20, 240,310.80 and 98,690.40 is: 136,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,139.20 : 240,310.80 = 98,690.40 : x
  2. Step 2: Convert to fraction form
    174,139.20/240,310.80 = 98,690.40/x
  3. Step 3: Cross multiply
    174,139.20x = 240,310.80 × 98,690.40
  4. Step 4: Simplify right side
    174,139.20x = 23,716,368,976.32
  5. Step 5: Solve for x
    x = 23,716,368,976.32/174,139.20
  6. Step 6: Final answer
    x = 136,192.02

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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.