Home / 223,107.27-307,886.33-121,130.73

Finding the Fourth Proportional to 223,107.27, 307,886.33 and 121,130.73

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Solution

The fourth proportional to 223,107.27, 307,886.33 and 121,130.73 is: 167,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,107.27 : 307,886.33 = 121,130.73 : x
  2. Step 2: Convert to fraction form
    223,107.27/307,886.33 = 121,130.73/x
  3. Step 3: Cross multiply
    223,107.27x = 307,886.33 × 121,130.73
  4. Step 4: Simplify right side
    223,107.27x = 37,294,495,304.27
  5. Step 5: Solve for x
    x = 37,294,495,304.27/223,107.27
  6. Step 6: Final answer
    x = 167,159.48

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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.