Home / 195,237.20-292,661.40-89,872.40

Finding the Fourth Proportional to 195,237.20, 292,661.40 and 89,872.40

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Solution

The fourth proportional to 195,237.20, 292,661.40 and 89,872.40 is: 134,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,237.20 : 292,661.40 = 89,872.40 : x
  2. Step 2: Convert to fraction form
    195,237.20/292,661.40 = 89,872.40/x
  3. Step 3: Cross multiply
    195,237.20x = 292,661.40 × 89,872.40
  4. Step 4: Simplify right side
    195,237.20x = 26,302,182,405.36
  5. Step 5: Solve for x
    x = 26,302,182,405.36/195,237.20
  6. Step 6: Final answer
    x = 134,719.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.