Home / 147,545.44-203,628.48-90,218.36

Finding the Fourth Proportional to 147,545.44, 203,628.48 and 90,218.36

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Solution

The fourth proportional to 147,545.44, 203,628.48 and 90,218.36 is: 124,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,545.44 : 203,628.48 = 90,218.36 : x
  2. Step 2: Convert to fraction form
    147,545.44/203,628.48 = 90,218.36/x
  3. Step 3: Cross multiply
    147,545.44x = 203,628.48 × 90,218.36
  4. Step 4: Simplify right side
    147,545.44x = 18,371,027,063.80
  5. Step 5: Solve for x
    x = 18,371,027,063.80/147,545.44
  6. Step 6: Final answer
    x = 124,510.98

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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.