Home / 349,259.89-523,451.57-149,345.19

Finding the Fourth Proportional to 349,259.89, 523,451.57 and 149,345.19

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Solution

The fourth proportional to 349,259.89, 523,451.57 and 149,345.19 is: 223,830.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,259.89 : 523,451.57 = 149,345.19 : x
  2. Step 2: Convert to fraction form
    349,259.89/523,451.57 = 149,345.19/x
  3. Step 3: Cross multiply
    349,259.89x = 523,451.57 × 149,345.19
  4. Step 4: Simplify right side
    349,259.89x = 78,174,974,550.81
  5. Step 5: Solve for x
    x = 78,174,974,550.81/349,259.89
  6. Step 6: Final answer
    x = 223,830.38

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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.