Home / 357,631.71-493,535.10-196,490.10

Finding the Fourth Proportional to 357,631.71, 493,535.10 and 196,490.10

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Solution

The fourth proportional to 357,631.71, 493,535.10 and 196,490.10 is: 271,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,631.71 : 493,535.10 = 196,490.10 : x
  2. Step 2: Convert to fraction form
    357,631.71/493,535.10 = 196,490.10/x
  3. Step 3: Cross multiply
    357,631.71x = 493,535.10 × 196,490.10
  4. Step 4: Simplify right side
    357,631.71x = 96,974,761,152.51
  5. Step 5: Solve for x
    x = 96,974,761,152.51/357,631.71
  6. Step 6: Final answer
    x = 271,158.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.