Home / 207,827.10-311,740.65-148,535.10

Finding the Fourth Proportional to 207,827.10, 311,740.65 and 148,535.10

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Solution

The fourth proportional to 207,827.10, 311,740.65 and 148,535.10 is: 222,802.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,827.10 : 311,740.65 = 148,535.10 : x
  2. Step 2: Convert to fraction form
    207,827.10/311,740.65 = 148,535.10/x
  3. Step 3: Cross multiply
    207,827.10x = 311,740.65 × 148,535.10
  4. Step 4: Simplify right side
    207,827.10x = 46,304,428,621.82
  5. Step 5: Solve for x
    x = 46,304,428,621.82/207,827.10
  6. Step 6: Final answer
    x = 222,802.65

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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.