Home / 349,109.41-523,705.13-124,501.78

Finding the Fourth Proportional to 349,109.41, 523,705.13 and 124,501.78

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Solution

The fourth proportional to 349,109.41, 523,705.13 and 124,501.78 is: 186,767.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,109.41 : 523,705.13 = 124,501.78 : x
  2. Step 2: Convert to fraction form
    349,109.41/523,705.13 = 124,501.78/x
  3. Step 3: Cross multiply
    349,109.41x = 523,705.13 × 124,501.78
  4. Step 4: Simplify right side
    349,109.41x = 65,202,220,880.13
  5. Step 5: Solve for x
    x = 65,202,220,880.13/349,109.41
  6. Step 6: Final answer
    x = 186,767.30

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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.