Home / 144,633.02-199,613.49-87,275.30

Finding the Fourth Proportional to 144,633.02, 199,613.49 and 87,275.30

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Solution

The fourth proportional to 144,633.02, 199,613.49 and 87,275.30 is: 120,451.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,633.02 : 199,613.49 = 87,275.30 : x
  2. Step 2: Convert to fraction form
    144,633.02/199,613.49 = 87,275.30/x
  3. Step 3: Cross multiply
    144,633.02x = 199,613.49 × 87,275.30
  4. Step 4: Simplify right side
    144,633.02x = 17,421,327,223.80
  5. Step 5: Solve for x
    x = 17,421,327,223.80/144,633.02
  6. Step 6: Final answer
    x = 120,451.94

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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.