Home / 245,565.16-368,311.28-68,053.66

Finding the Fourth Proportional to 245,565.16, 368,311.28 and 68,053.66

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Solution

The fourth proportional to 245,565.16, 368,311.28 and 68,053.66 is: 102,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,565.16 : 368,311.28 = 68,053.66 : x
  2. Step 2: Convert to fraction form
    245,565.16/368,311.28 = 68,053.66/x
  3. Step 3: Cross multiply
    245,565.16x = 368,311.28 × 68,053.66
  4. Step 4: Simplify right side
    245,565.16x = 25,064,930,623.28
  5. Step 5: Solve for x
    x = 25,064,930,623.28/245,565.16
  6. Step 6: Final answer
    x = 102,070.39

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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.