Home / 132,155.15-198,188.28-47,897.67

Finding the Fourth Proportional to 132,155.15, 198,188.28 and 47,897.67

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Solution

The fourth proportional to 132,155.15, 198,188.28 and 47,897.67 is: 71,830.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.15 : 198,188.28 = 47,897.67 : x
  2. Step 2: Convert to fraction form
    132,155.15/198,188.28 = 47,897.67/x
  3. Step 3: Cross multiply
    132,155.15x = 198,188.28 × 47,897.67
  4. Step 4: Simplify right side
    132,155.15x = 9,492,756,833.31
  5. Step 5: Solve for x
    x = 9,492,756,833.31/132,155.15
  6. Step 6: Final answer
    x = 71,830.40

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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.