Home / 266,569.33-367,865.65-145,711.10

Finding the Fourth Proportional to 266,569.33, 367,865.65 and 145,711.10

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Solution

The fourth proportional to 266,569.33, 367,865.65 and 145,711.10 is: 201,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,569.33 : 367,865.65 = 145,711.10 : x
  2. Step 2: Convert to fraction form
    266,569.33/367,865.65 = 145,711.10/x
  3. Step 3: Cross multiply
    266,569.33x = 367,865.65 × 145,711.10
  4. Step 4: Simplify right side
    266,569.33x = 53,602,107,785.16
  5. Step 5: Solve for x
    x = 53,602,107,785.16/266,569.33
  6. Step 6: Final answer
    x = 201,081.30

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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.