Home / 103,746.40-155,261.20-62,223.20

Finding the Fourth Proportional to 103,746.40, 155,261.20 and 62,223.20

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Solution

The fourth proportional to 103,746.40, 155,261.20 and 62,223.20 is: 93,119.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,746.40 : 155,261.20 = 62,223.20 : x
  2. Step 2: Convert to fraction form
    103,746.40/155,261.20 = 62,223.20/x
  3. Step 3: Cross multiply
    103,746.40x = 155,261.20 × 62,223.20
  4. Step 4: Simplify right side
    103,746.40x = 9,660,848,699.84
  5. Step 5: Solve for x
    x = 9,660,848,699.84/103,746.40
  6. Step 6: Final answer
    x = 93,119.85

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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.