Home / 124,395.84-186,593.28-103,575.36

Finding the Fourth Proportional to 124,395.84, 186,593.28 and 103,575.36

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Solution

The fourth proportional to 124,395.84, 186,593.28 and 103,575.36 is: 155,362.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,395.84 : 186,593.28 = 103,575.36 : x
  2. Step 2: Convert to fraction form
    124,395.84/186,593.28 = 103,575.36/x
  3. Step 3: Cross multiply
    124,395.84x = 186,593.28 × 103,575.36
  4. Step 4: Simplify right side
    124,395.84x = 19,326,466,149.58
  5. Step 5: Solve for x
    x = 19,326,466,149.58/124,395.84
  6. Step 6: Final answer
    x = 155,362.64

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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.