Home / 349,585.08-482,430.78-198,683.16

Finding the Fourth Proportional to 349,585.08, 482,430.78 and 198,683.16

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Solution

The fourth proportional to 349,585.08, 482,430.78 and 198,683.16 is: 274,184.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,585.08 : 482,430.78 = 198,683.16 : x
  2. Step 2: Convert to fraction form
    349,585.08/482,430.78 = 198,683.16/x
  3. Step 3: Cross multiply
    349,585.08x = 482,430.78 × 198,683.16
  4. Step 4: Simplify right side
    349,585.08x = 95,850,871,851.66
  5. Step 5: Solve for x
    x = 95,850,871,851.66/349,585.08
  6. Step 6: Final answer
    x = 274,184.68

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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.