Home / 145,837.68-218,759.28-46,001.28

Finding the Fourth Proportional to 145,837.68, 218,759.28 and 46,001.28

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Solution

The fourth proportional to 145,837.68, 218,759.28 and 46,001.28 is: 69,002.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,837.68 : 218,759.28 = 46,001.28 : x
  2. Step 2: Convert to fraction form
    145,837.68/218,759.28 = 46,001.28/x
  3. Step 3: Cross multiply
    145,837.68x = 218,759.28 × 46,001.28
  4. Step 4: Simplify right side
    145,837.68x = 10,063,206,891.88
  5. Step 5: Solve for x
    x = 10,063,206,891.88/145,837.68
  6. Step 6: Final answer
    x = 69,002.79

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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.