Home / 102,888.01-155,103.18-96,029.72

Finding the Fourth Proportional to 102,888.01, 155,103.18 and 96,029.72

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Solution

The fourth proportional to 102,888.01, 155,103.18 and 96,029.72 is: 144,764.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,888.01 : 155,103.18 = 96,029.72 : x
  2. Step 2: Convert to fraction form
    102,888.01/155,103.18 = 96,029.72/x
  3. Step 3: Cross multiply
    102,888.01x = 155,103.18 × 96,029.72
  4. Step 4: Simplify right side
    102,888.01x = 14,894,514,170.99
  5. Step 5: Solve for x
    x = 14,894,514,170.99/102,888.01
  6. Step 6: Final answer
    x = 144,764.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.