Home / 142,543.44-213,751.98-75,971.16

Finding the Fourth Proportional to 142,543.44, 213,751.98 and 75,971.16

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Solution

The fourth proportional to 142,543.44, 213,751.98 and 75,971.16 is: 113,923.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,543.44 : 213,751.98 = 75,971.16 : x
  2. Step 2: Convert to fraction form
    142,543.44/213,751.98 = 75,971.16/x
  3. Step 3: Cross multiply
    142,543.44x = 213,751.98 × 75,971.16
  4. Step 4: Simplify right side
    142,543.44x = 16,238,985,872.90
  5. Step 5: Solve for x
    x = 16,238,985,872.90/142,543.44
  6. Step 6: Final answer
    x = 113,923.07

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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.