Home / 145,740.02-218,615.79-40,568.18

Finding the Fourth Proportional to 145,740.02, 218,615.79 and 40,568.18

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Solution

The fourth proportional to 145,740.02, 218,615.79 and 40,568.18 is: 60,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,740.02 : 218,615.79 = 40,568.18 : x
  2. Step 2: Convert to fraction form
    145,740.02/218,615.79 = 40,568.18/x
  3. Step 3: Cross multiply
    145,740.02x = 218,615.79 × 40,568.18
  4. Step 4: Simplify right side
    145,740.02x = 8,868,844,719.56
  5. Step 5: Solve for x
    x = 8,868,844,719.56/145,740.02
  6. Step 6: Final answer
    x = 60,853.87

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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.