Home / 385,311.60-531,746.28-238,169.16

Finding the Fourth Proportional to 385,311.60, 531,746.28 and 238,169.16

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Solution

The fourth proportional to 385,311.60, 531,746.28 and 238,169.16 is: 328,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,311.60 : 531,746.28 = 238,169.16 : x
  2. Step 2: Convert to fraction form
    385,311.60/531,746.28 = 238,169.16/x
  3. Step 3: Cross multiply
    385,311.60x = 531,746.28 × 238,169.16
  4. Step 4: Simplify right side
    385,311.60x = 126,645,564,840.73
  5. Step 5: Solve for x
    x = 126,645,564,840.73/385,311.60
  6. Step 6: Final answer
    x = 328,683.50

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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.