Home / 103,344.20-155,030.70-44,179.40

Finding the Fourth Proportional to 103,344.20, 155,030.70 and 44,179.40

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Solution

The fourth proportional to 103,344.20, 155,030.70 and 44,179.40 is: 66,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,344.20 : 155,030.70 = 44,179.40 : x
  2. Step 2: Convert to fraction form
    103,344.20/155,030.70 = 44,179.40/x
  3. Step 3: Cross multiply
    103,344.20x = 155,030.70 × 44,179.40
  4. Step 4: Simplify right side
    103,344.20x = 6,849,163,307.58
  5. Step 5: Solve for x
    x = 6,849,163,307.58/103,344.20
  6. Step 6: Final answer
    x = 66,275.26

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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.