Home / 223,192.46-334,685.12-81,019.85

Finding the Fourth Proportional to 223,192.46, 334,685.12 and 81,019.85

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Solution

The fourth proportional to 223,192.46, 334,685.12 and 81,019.85 is: 121,492.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,192.46 : 334,685.12 = 81,019.85 : x
  2. Step 2: Convert to fraction form
    223,192.46/334,685.12 = 81,019.85/x
  3. Step 3: Cross multiply
    223,192.46x = 334,685.12 × 81,019.85
  4. Step 4: Simplify right side
    223,192.46x = 27,116,136,141.11
  5. Step 5: Solve for x
    x = 27,116,136,141.11/223,192.46
  6. Step 6: Final answer
    x = 121,492.17

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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.