Home / 122,180.56-168,613.32-116,581.84

Finding the Fourth Proportional to 122,180.56, 168,613.32 and 116,581.84

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Solution

The fourth proportional to 122,180.56, 168,613.32 and 116,581.84 is: 160,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,180.56 : 168,613.32 = 116,581.84 : x
  2. Step 2: Convert to fraction form
    122,180.56/168,613.32 = 116,581.84/x
  3. Step 3: Cross multiply
    122,180.56x = 168,613.32 × 116,581.84
  4. Step 4: Simplify right side
    122,180.56x = 19,657,251,094.11
  5. Step 5: Solve for x
    x = 19,657,251,094.11/122,180.56
  6. Step 6: Final answer
    x = 160,886.90

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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.