Home / 220,558.15-304,127.13-152,456.90

Finding the Fourth Proportional to 220,558.15, 304,127.13 and 152,456.90

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Solution

The fourth proportional to 220,558.15, 304,127.13 and 152,456.90 is: 210,222.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,558.15 : 304,127.13 = 152,456.90 : x
  2. Step 2: Convert to fraction form
    220,558.15/304,127.13 = 152,456.90/x
  3. Step 3: Cross multiply
    220,558.15x = 304,127.13 × 152,456.90
  4. Step 4: Simplify right side
    220,558.15x = 46,366,278,495.67
  5. Step 5: Solve for x
    x = 46,366,278,495.67/220,558.15
  6. Step 6: Final answer
    x = 210,222.46

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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.