Home / 374,742.75-517,152.30-204,980.52

Finding the Fourth Proportional to 374,742.75, 517,152.30 and 204,980.52

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Solution

The fourth proportional to 374,742.75, 517,152.30 and 204,980.52 is: 282,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,742.75 : 517,152.30 = 204,980.52 : x
  2. Step 2: Convert to fraction form
    374,742.75/517,152.30 = 204,980.52/x
  3. Step 3: Cross multiply
    374,742.75x = 517,152.30 × 204,980.52
  4. Step 4: Simplify right side
    374,742.75x = 106,006,147,373.20
  5. Step 5: Solve for x
    x = 106,006,147,373.20/374,742.75
  6. Step 6: Final answer
    x = 282,877.11

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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.