Home / 149,902.25-206,955.20-93,390.17

Finding the Fourth Proportional to 149,902.25, 206,955.20 and 93,390.17

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Solution

The fourth proportional to 149,902.25, 206,955.20 and 93,390.17 is: 128,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,902.25 : 206,955.20 = 93,390.17 : x
  2. Step 2: Convert to fraction form
    149,902.25/206,955.20 = 93,390.17/x
  3. Step 3: Cross multiply
    149,902.25x = 206,955.20 × 93,390.17
  4. Step 4: Simplify right side
    149,902.25x = 19,327,580,509.08
  5. Step 5: Solve for x
    x = 19,327,580,509.08/149,902.25
  6. Step 6: Final answer
    x = 128,934.56

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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.