Home / 175,354.23-263,070.32-81,808.95

Finding the Fourth Proportional to 175,354.23, 263,070.32 and 81,808.95

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Solution

The fourth proportional to 175,354.23, 263,070.32 and 81,808.95 is: 122,731.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,354.23 : 263,070.32 = 81,808.95 : x
  2. Step 2: Convert to fraction form
    175,354.23/263,070.32 = 81,808.95/x
  3. Step 3: Cross multiply
    175,354.23x = 263,070.32 × 81,808.95
  4. Step 4: Simplify right side
    175,354.23x = 21,521,506,655.36
  5. Step 5: Solve for x
    x = 21,521,506,655.36/175,354.23
  6. Step 6: Final answer
    x = 122,731.61

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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.