Home / 153,960.27-212,273-117,706.64

Finding the Fourth Proportional to 153,960.27, 212,273 and 117,706.64

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Solution

The fourth proportional to 153,960.27, 212,273 and 117,706.64 is: 162,288.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,960.27 : 212,273 = 117,706.64 : x
  2. Step 2: Convert to fraction form
    153,960.27/212,273 = 117,706.64/x
  3. Step 3: Cross multiply
    153,960.27x = 212,273 × 117,706.64
  4. Step 4: Simplify right side
    153,960.27x = 24,985,941,592.72
  5. Step 5: Solve for x
    x = 24,985,941,592.72/153,960.27
  6. Step 6: Final answer
    x = 162,288.24

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1.5x scale

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.