Home / 236,056.68-354,085.02-78,297.03

Finding the Fourth Proportional to 236,056.68, 354,085.02 and 78,297.03

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Solution

The fourth proportional to 236,056.68, 354,085.02 and 78,297.03 is: 117,445.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,056.68 : 354,085.02 = 78,297.03 : x
  2. Step 2: Convert to fraction form
    236,056.68/354,085.02 = 78,297.03/x
  3. Step 3: Cross multiply
    236,056.68x = 354,085.02 × 78,297.03
  4. Step 4: Simplify right side
    236,056.68x = 27,723,805,433.49
  5. Step 5: Solve for x
    x = 27,723,805,433.49/236,056.68
  6. Step 6: Final answer
    x = 117,445.55

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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.