Home / 268,090.83-402,240.51-118,225.44

Finding the Fourth Proportional to 268,090.83, 402,240.51 and 118,225.44

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Solution

The fourth proportional to 268,090.83, 402,240.51 and 118,225.44 is: 177,384.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,090.83 : 402,240.51 = 118,225.44 : x
  2. Step 2: Convert to fraction form
    268,090.83/402,240.51 = 118,225.44/x
  3. Step 3: Cross multiply
    268,090.83x = 402,240.51 × 118,225.44
  4. Step 4: Simplify right side
    268,090.83x = 47,555,061,280.57
  5. Step 5: Solve for x
    x = 47,555,061,280.57/268,090.83
  6. Step 6: Final answer
    x = 177,384.14

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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.