Home / 211,640.13-292,056.80-116,144.37

Finding the Fourth Proportional to 211,640.13, 292,056.80 and 116,144.37

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Solution

The fourth proportional to 211,640.13, 292,056.80 and 116,144.37 is: 160,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,640.13 : 292,056.80 = 116,144.37 : x
  2. Step 2: Convert to fraction form
    211,640.13/292,056.80 = 116,144.37/x
  3. Step 3: Cross multiply
    211,640.13x = 292,056.80 × 116,144.37
  4. Step 4: Simplify right side
    211,640.13x = 33,920,752,459.49
  5. Step 5: Solve for x
    x = 33,920,752,459.49/211,640.13
  6. Step 6: Final answer
    x = 160,275.62

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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.