Home / 221,545.02-305,733.37-126,051.71

Finding the Fourth Proportional to 221,545.02, 305,733.37 and 126,051.71

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Solution

The fourth proportional to 221,545.02, 305,733.37 and 126,051.71 is: 173,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,545.02 : 305,733.37 = 126,051.71 : x
  2. Step 2: Convert to fraction form
    221,545.02/305,733.37 = 126,051.71/x
  3. Step 3: Cross multiply
    221,545.02x = 305,733.37 × 126,051.71
  4. Step 4: Simplify right side
    221,545.02x = 38,538,214,092.56
  5. Step 5: Solve for x
    x = 38,538,214,092.56/221,545.02
  6. Step 6: Final answer
    x = 173,952.07

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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.