Home / 223,016.71-307,763.35-121,042.16

Finding the Fourth Proportional to 223,016.71, 307,763.35 and 121,042.16

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Solution

The fourth proportional to 223,016.71, 307,763.35 and 121,042.16 is: 167,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,016.71 : 307,763.35 = 121,042.16 : x
  2. Step 2: Convert to fraction form
    223,016.71/307,763.35 = 121,042.16/x
  3. Step 3: Cross multiply
    223,016.71x = 307,763.35 × 121,042.16
  4. Step 4: Simplify right side
    223,016.71x = 37,252,339,965.53
  5. Step 5: Solve for x
    x = 37,252,339,965.53/223,016.71
  6. Step 6: Final answer
    x = 167,038.34

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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.