Home / 120,974.48-166,962.95-87,095.10

Finding the Fourth Proportional to 120,974.48, 166,962.95 and 87,095.10

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Solution

The fourth proportional to 120,974.48, 166,962.95 and 87,095.10 is: 120,204.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.48 : 166,962.95 = 87,095.10 : x
  2. Step 2: Convert to fraction form
    120,974.48/166,962.95 = 87,095.10/x
  3. Step 3: Cross multiply
    120,974.48x = 166,962.95 × 87,095.10
  4. Step 4: Simplify right side
    120,974.48x = 14,541,654,826.55
  5. Step 5: Solve for x
    x = 14,541,654,826.55/120,974.48
  6. Step 6: Final answer
    x = 120,204.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.