Home / 131,552.40-197,166.60-89,432.40

Finding the Fourth Proportional to 131,552.40, 197,166.60 and 89,432.40

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Solution

The fourth proportional to 131,552.40, 197,166.60 and 89,432.40 is: 134,038.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,552.40 : 197,166.60 = 89,432.40 : x
  2. Step 2: Convert to fraction form
    131,552.40/197,166.60 = 89,432.40/x
  3. Step 3: Cross multiply
    131,552.40x = 197,166.60 × 89,432.40
  4. Step 4: Simplify right side
    131,552.40x = 17,633,082,237.84
  5. Step 5: Solve for x
    x = 17,633,082,237.84/131,552.40
  6. Step 6: Final answer
    x = 134,038.47

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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.