Home / 140,417.13-193,775.64-76,755.18

Finding the Fourth Proportional to 140,417.13, 193,775.64 and 76,755.18

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Solution

The fourth proportional to 140,417.13, 193,775.64 and 76,755.18 is: 105,922.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,417.13 : 193,775.64 = 76,755.18 : x
  2. Step 2: Convert to fraction form
    140,417.13/193,775.64 = 76,755.18/x
  3. Step 3: Cross multiply
    140,417.13x = 193,775.64 × 76,755.18
  4. Step 4: Simplify right side
    140,417.13x = 14,873,284,127.82
  5. Step 5: Solve for x
    x = 14,873,284,127.82/140,417.13
  6. Step 6: Final answer
    x = 105,922.15

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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.