Home / 145,513.64-218,272.08-40,333.52

Finding the Fourth Proportional to 145,513.64, 218,272.08 and 40,333.52

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Solution

The fourth proportional to 145,513.64, 218,272.08 and 40,333.52 is: 60,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,513.64 : 218,272.08 = 40,333.52 : x
  2. Step 2: Convert to fraction form
    145,513.64/218,272.08 = 40,333.52/x
  3. Step 3: Cross multiply
    145,513.64x = 218,272.08 × 40,333.52
  4. Step 4: Simplify right side
    145,513.64x = 8,803,681,304.12
  5. Step 5: Solve for x
    x = 8,803,681,304.12/145,513.64
  6. Step 6: Final answer
    x = 60,500.73

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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.