Home / 108,420.17-162,560.86-52,148.22

Finding the Fourth Proportional to 108,420.17, 162,560.86 and 52,148.22

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Solution

The fourth proportional to 108,420.17, 162,560.86 and 52,148.22 is: 78,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,420.17 : 162,560.86 = 52,148.22 : x
  2. Step 2: Convert to fraction form
    108,420.17/162,560.86 = 52,148.22/x
  3. Step 3: Cross multiply
    108,420.17x = 162,560.86 × 52,148.22
  4. Step 4: Simplify right side
    108,420.17x = 8,477,258,750.70
  5. Step 5: Solve for x
    x = 8,477,258,750.70/108,420.17
  6. Step 6: Final answer
    x = 78,188.95

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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.