Home / 145,655.29-218,508.56-60,265.90

Finding the Fourth Proportional to 145,655.29, 218,508.56 and 60,265.90

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Solution

The fourth proportional to 145,655.29, 218,508.56 and 60,265.90 is: 90,409.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,655.29 : 218,508.56 = 60,265.90 : x
  2. Step 2: Convert to fraction form
    145,655.29/218,508.56 = 60,265.90/x
  3. Step 3: Cross multiply
    145,655.29x = 218,508.56 × 60,265.90
  4. Step 4: Simplify right side
    145,655.29x = 13,168,615,271.05
  5. Step 5: Solve for x
    x = 13,168,615,271.05/145,655.29
  6. Step 6: Final answer
    x = 90,409.45

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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.