Home / 134,860.72-186,177.78-98,521.39

Finding the Fourth Proportional to 134,860.72, 186,177.78 and 98,521.39

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Solution

The fourth proportional to 134,860.72, 186,177.78 and 98,521.39 is: 136,010.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,860.72 : 186,177.78 = 98,521.39 : x
  2. Step 2: Convert to fraction form
    134,860.72/186,177.78 = 98,521.39/x
  3. Step 3: Cross multiply
    134,860.72x = 186,177.78 × 98,521.39
  4. Step 4: Simplify right side
    134,860.72x = 18,342,493,672.71
  5. Step 5: Solve for x
    x = 18,342,493,672.71/134,860.72
  6. Step 6: Final answer
    x = 136,010.65

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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.