Home / 102,165.61-153,246.88-45,966.03

Finding the Fourth Proportional to 102,165.61, 153,246.88 and 45,966.03

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Solution

The fourth proportional to 102,165.61, 153,246.88 and 45,966.03 is: 68,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,165.61 : 153,246.88 = 45,966.03 : x
  2. Step 2: Convert to fraction form
    102,165.61/153,246.88 = 45,966.03/x
  3. Step 3: Cross multiply
    102,165.61x = 153,246.88 × 45,966.03
  4. Step 4: Simplify right side
    102,165.61x = 7,044,150,453.66
  5. Step 5: Solve for x
    x = 7,044,150,453.66/102,165.61
  6. Step 6: Final answer
    x = 68,948.35

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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.