Home / 148,680.46-205,085.70-88,208.28

Finding the Fourth Proportional to 148,680.46, 205,085.70 and 88,208.28

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Solution

The fourth proportional to 148,680.46, 205,085.70 and 88,208.28 is: 121,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,680.46 : 205,085.70 = 88,208.28 : x
  2. Step 2: Convert to fraction form
    148,680.46/205,085.70 = 88,208.28/x
  3. Step 3: Cross multiply
    148,680.46x = 205,085.70 × 88,208.28
  4. Step 4: Simplify right side
    148,680.46x = 18,090,256,849.60
  5. Step 5: Solve for x
    x = 18,090,256,849.60/148,680.46
  6. Step 6: Final answer
    x = 121,672.05

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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.