Home / 266,122.16-399,188.90-95,355.02

Finding the Fourth Proportional to 266,122.16, 399,188.90 and 95,355.02

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Solution

The fourth proportional to 266,122.16, 399,188.90 and 95,355.02 is: 143,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,122.16 : 399,188.90 = 95,355.02 : x
  2. Step 2: Convert to fraction form
    266,122.16/399,188.90 = 95,355.02/x
  3. Step 3: Cross multiply
    266,122.16x = 399,188.90 × 95,355.02
  4. Step 4: Simplify right side
    266,122.16x = 38,064,666,779.64
  5. Step 5: Solve for x
    x = 38,064,666,779.64/266,122.16
  6. Step 6: Final answer
    x = 143,034.57

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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.