Home / 266,084.38-398,914.65-153,637.04

Finding the Fourth Proportional to 266,084.38, 398,914.65 and 153,637.04

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Solution

The fourth proportional to 266,084.38, 398,914.65 and 153,637.04 is: 230,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,084.38 : 398,914.65 = 153,637.04 : x
  2. Step 2: Convert to fraction form
    266,084.38/398,914.65 = 153,637.04/x
  3. Step 3: Cross multiply
    266,084.38x = 398,914.65 × 153,637.04
  4. Step 4: Simplify right side
    266,084.38x = 61,288,066,038.64
  5. Step 5: Solve for x
    x = 61,288,066,038.64/266,084.38
  6. Step 6: Final answer
    x = 230,333.20

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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.