Home / 417,869.40-626,568.75-133,493.16

Finding the Fourth Proportional to 417,869.40, 626,568.75 and 133,493.16

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Solution

The fourth proportional to 417,869.40, 626,568.75 and 133,493.16 is: 200,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,869.40 : 626,568.75 = 133,493.16 : x
  2. Step 2: Convert to fraction form
    417,869.40/626,568.75 = 133,493.16/x
  3. Step 3: Cross multiply
    417,869.40x = 626,568.75 × 133,493.16
  4. Step 4: Simplify right side
    417,869.40x = 83,642,642,394.75
  5. Step 5: Solve for x
    x = 83,642,642,394.75/417,869.40
  6. Step 6: Final answer
    x = 200,164.55

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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.