Home / 195,225.23-292,910.75-76,979.00

Finding the Fourth Proportional to 195,225.23, 292,910.75 and 76,979.00

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Solution

The fourth proportional to 195,225.23, 292,910.75 and 76,979.00 is: 115,497.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,225.23 : 292,910.75 = 76,979.00 : x
  2. Step 2: Convert to fraction form
    195,225.23/292,910.75 = 76,979.00/x
  3. Step 3: Cross multiply
    195,225.23x = 292,910.75 × 76,979.00
  4. Step 4: Simplify right side
    195,225.23x = 22,547,974,774.80
  5. Step 5: Solve for x
    x = 22,547,974,774.80/195,225.23
  6. Step 6: Final answer
    x = 115,497.24

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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.