Home / 103,532.26-155,301.86-28,646.14

Finding the Fourth Proportional to 103,532.26, 155,301.86 and 28,646.14

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Solution

The fourth proportional to 103,532.26, 155,301.86 and 28,646.14 is: 42,970.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,532.26 : 155,301.86 = 28,646.14 : x
  2. Step 2: Convert to fraction form
    103,532.26/155,301.86 = 28,646.14/x
  3. Step 3: Cross multiply
    103,532.26x = 155,301.86 × 28,646.14
  4. Step 4: Simplify right side
    103,532.26x = 4,448,798,823.82
  5. Step 5: Solve for x
    x = 4,448,798,823.82/103,532.26
  6. Step 6: Final answer
    x = 42,970.17

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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.