Home / 120,973.48-166,961.57-87,094.10

Finding the Fourth Proportional to 120,973.48, 166,961.57 and 87,094.10

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Solution

The fourth proportional to 120,973.48, 166,961.57 and 87,094.10 is: 120,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,973.48 : 166,961.57 = 87,094.10 : x
  2. Step 2: Convert to fraction form
    120,973.48/166,961.57 = 87,094.10/x
  3. Step 3: Cross multiply
    120,973.48x = 166,961.57 × 87,094.10
  4. Step 4: Simplify right side
    120,973.48x = 14,541,367,655.67
  5. Step 5: Solve for x
    x = 14,541,367,655.67/120,973.48
  6. Step 6: Final answer
    x = 120,202.94

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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.