Home / 120,925.90-181,000.05-64,624.96

Finding the Fourth Proportional to 120,925.90, 181,000.05 and 64,624.96

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Solution

The fourth proportional to 120,925.90, 181,000.05 and 64,624.96 is: 96,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,925.90 : 181,000.05 = 64,624.96 : x
  2. Step 2: Convert to fraction form
    120,925.90/181,000.05 = 64,624.96/x
  3. Step 3: Cross multiply
    120,925.90x = 181,000.05 × 64,624.96
  4. Step 4: Simplify right side
    120,925.90x = 11,697,120,991.25
  5. Step 5: Solve for x
    x = 11,697,120,991.25/120,925.90
  6. Step 6: Final answer
    x = 96,729.66

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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.