Home / 204,695.45-305,603.84-156,411.35

Finding the Fourth Proportional to 204,695.45, 305,603.84 and 156,411.35

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Solution

The fourth proportional to 204,695.45, 305,603.84 and 156,411.35 is: 233,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,695.45 : 305,603.84 = 156,411.35 : x
  2. Step 2: Convert to fraction form
    204,695.45/305,603.84 = 156,411.35/x
  3. Step 3: Cross multiply
    204,695.45x = 305,603.84 × 156,411.35
  4. Step 4: Simplify right side
    204,695.45x = 47,799,908,602.07
  5. Step 5: Solve for x
    x = 47,799,908,602.07/204,695.45
  6. Step 6: Final answer
    x = 233,517.20

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.