Home / 99,145.80-148,937.40-95,427.90

Finding the Fourth Proportional to 99,145.80, 148,937.40 and 95,427.90

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Solution

The fourth proportional to 99,145.80, 148,937.40 and 95,427.90 is: 143,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,145.80 : 148,937.40 = 95,427.90 : x
  2. Step 2: Convert to fraction form
    99,145.80/148,937.40 = 95,427.90/x
  3. Step 3: Cross multiply
    99,145.80x = 148,937.40 × 95,427.90
  4. Step 4: Simplify right side
    99,145.80x = 14,212,783,313.46
  5. Step 5: Solve for x
    x = 14,212,783,313.46/99,145.80
  6. Step 6: Final answer
    x = 143,352.35

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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.