Home / 99,386.60-148,964.70-40,183.40

Finding the Fourth Proportional to 99,386.60, 148,964.70 and 40,183.40

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Solution

The fourth proportional to 99,386.60, 148,964.70 and 40,183.40 is: 60,228.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,386.60 : 148,964.70 = 40,183.40 : x
  2. Step 2: Convert to fraction form
    99,386.60/148,964.70 = 40,183.40/x
  3. Step 3: Cross multiply
    99,386.60x = 148,964.70 × 40,183.40
  4. Step 4: Simplify right side
    99,386.60x = 5,985,908,125.98
  5. Step 5: Solve for x
    x = 5,985,908,125.98/99,386.60
  6. Step 6: Final answer
    x = 60,228.52

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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.