Home / 223,555.24-308,512.02-121,587.04

Finding the Fourth Proportional to 223,555.24, 308,512.02 and 121,587.04

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Solution

The fourth proportional to 223,555.24, 308,512.02 and 121,587.04 is: 167,793.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,555.24 : 308,512.02 = 121,587.04 : x
  2. Step 2: Convert to fraction form
    223,555.24/308,512.02 = 121,587.04/x
  3. Step 3: Cross multiply
    223,555.24x = 308,512.02 × 121,587.04
  4. Step 4: Simplify right side
    223,555.24x = 37,511,063,316.22
  5. Step 5: Solve for x
    x = 37,511,063,316.22/223,555.24
  6. Step 6: Final answer
    x = 167,793.26

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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.