Home / 148,750.12-205,134.48-97,672.76

Finding the Fourth Proportional to 148,750.12, 205,134.48 and 97,672.76

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Solution

The fourth proportional to 148,750.12, 205,134.48 and 97,672.76 is: 134,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,750.12 : 205,134.48 = 97,672.76 : x
  2. Step 2: Convert to fraction form
    148,750.12/205,134.48 = 97,672.76/x
  3. Step 3: Cross multiply
    148,750.12x = 205,134.48 × 97,672.76
  4. Step 4: Simplify right side
    148,750.12x = 20,036,050,832.76
  5. Step 5: Solve for x
    x = 20,036,050,832.76/148,750.12
  6. Step 6: Final answer
    x = 134,696.03

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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.