Home / 144,282.24-199,065.60-87,672.96

Finding the Fourth Proportional to 144,282.24, 199,065.60 and 87,672.96

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Solution

The fourth proportional to 144,282.24, 199,065.60 and 87,672.96 is: 120,962.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,282.24 : 199,065.60 = 87,672.96 : x
  2. Step 2: Convert to fraction form
    144,282.24/199,065.60 = 87,672.96/x
  3. Step 3: Cross multiply
    144,282.24x = 199,065.60 × 87,672.96
  4. Step 4: Simplify right side
    144,282.24x = 17,452,670,386.18
  5. Step 5: Solve for x
    x = 17,452,670,386.18/144,282.24
  6. Step 6: Final answer
    x = 120,962.01

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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.