Home / 133,750.95-184,595.19-82,780.11

Finding the Fourth Proportional to 133,750.95, 184,595.19 and 82,780.11

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Solution

The fourth proportional to 133,750.95, 184,595.19 and 82,780.11 is: 114,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,750.95 : 184,595.19 = 82,780.11 : x
  2. Step 2: Convert to fraction form
    133,750.95/184,595.19 = 82,780.11/x
  3. Step 3: Cross multiply
    133,750.95x = 184,595.19 × 82,780.11
  4. Step 4: Simplify right side
    133,750.95x = 15,280,810,133.67
  5. Step 5: Solve for x
    x = 15,280,810,133.67/133,750.95
  6. Step 6: Final answer
    x = 114,248.24

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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.