Home / 293,112.95-439,722.08-103,683.11

Finding the Fourth Proportional to 293,112.95, 439,722.08 and 103,683.11

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Solution

The fourth proportional to 293,112.95, 439,722.08 and 103,683.11 is: 155,543.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,112.95 : 439,722.08 = 103,683.11 : x
  2. Step 2: Convert to fraction form
    293,112.95/439,722.08 = 103,683.11/x
  3. Step 3: Cross multiply
    293,112.95x = 439,722.08 × 103,683.11
  4. Step 4: Simplify right side
    293,112.95x = 45,591,750,073.04
  5. Step 5: Solve for x
    x = 45,591,750,073.04/293,112.95
  6. Step 6: Final answer
    x = 155,543.28

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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.