Home / 108,522.45-163,033.17-76,575.06

Finding the Fourth Proportional to 108,522.45, 163,033.17 and 76,575.06

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Solution

The fourth proportional to 108,522.45, 163,033.17 and 76,575.06 is: 115,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,522.45 : 163,033.17 = 76,575.06 : x
  2. Step 2: Convert to fraction form
    108,522.45/163,033.17 = 76,575.06/x
  3. Step 3: Cross multiply
    108,522.45x = 163,033.17 × 76,575.06
  4. Step 4: Simplify right side
    108,522.45x = 12,484,274,774.74
  5. Step 5: Solve for x
    x = 12,484,274,774.74/108,522.45
  6. Step 6: Final answer
    x = 115,038.64

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1.5x scale

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.