Home / 223,979.55-309,091.77-123,377.55

Finding the Fourth Proportional to 223,979.55, 309,091.77 and 123,377.55

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Solution

The fourth proportional to 223,979.55, 309,091.77 and 123,377.55 is: 170,261.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,979.55 : 309,091.77 = 123,377.55 : x
  2. Step 2: Convert to fraction form
    223,979.55/309,091.77 = 123,377.55/x
  3. Step 3: Cross multiply
    223,979.55x = 309,091.77 × 123,377.55
  4. Step 4: Simplify right side
    223,979.55x = 38,134,985,307.76
  5. Step 5: Solve for x
    x = 38,134,985,307.76/223,979.55
  6. Step 6: Final answer
    x = 170,261.01

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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.