Home / 131,258.27-180,952.38-92,903.76

Finding the Fourth Proportional to 131,258.27, 180,952.38 and 92,903.76

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Solution

The fourth proportional to 131,258.27, 180,952.38 and 92,903.76 is: 128,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,258.27 : 180,952.38 = 92,903.76 : x
  2. Step 2: Convert to fraction form
    131,258.27/180,952.38 = 92,903.76/x
  3. Step 3: Cross multiply
    131,258.27x = 180,952.38 × 92,903.76
  4. Step 4: Simplify right side
    131,258.27x = 16,811,156,482.95
  5. Step 5: Solve for x
    x = 16,811,156,482.95/131,258.27
  6. Step 6: Final answer
    x = 128,076.93

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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.