Home / 221,298.34-305,390.27-125,805.06

Finding the Fourth Proportional to 221,298.34, 305,390.27 and 125,805.06

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Solution

The fourth proportional to 221,298.34, 305,390.27 and 125,805.06 is: 173,610.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,298.34 : 305,390.27 = 125,805.06 : x
  2. Step 2: Convert to fraction form
    221,298.34/305,390.27 = 125,805.06/x
  3. Step 3: Cross multiply
    221,298.34x = 305,390.27 × 125,805.06
  4. Step 4: Simplify right side
    221,298.34x = 38,419,641,240.77
  5. Step 5: Solve for x
    x = 38,419,641,240.77/221,298.34
  6. Step 6: Final answer
    x = 173,610.16

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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.