Home / 133,388.95-184,082.65-76,818.55

Finding the Fourth Proportional to 133,388.95, 184,082.65 and 76,818.55

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Solution

The fourth proportional to 133,388.95, 184,082.65 and 76,818.55 is: 106,013.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,388.95 : 184,082.65 = 76,818.55 : x
  2. Step 2: Convert to fraction form
    133,388.95/184,082.65 = 76,818.55/x
  3. Step 3: Cross multiply
    133,388.95x = 184,082.65 × 76,818.55
  4. Step 4: Simplify right side
    133,388.95x = 14,140,962,253.16
  5. Step 5: Solve for x
    x = 14,140,962,253.16/133,388.95
  6. Step 6: Final answer
    x = 106,013.00

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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.