Home / 266,821.76-368,222.80-152,098.36

Finding the Fourth Proportional to 266,821.76, 368,222.80 and 152,098.36

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Solution

The fourth proportional to 266,821.76, 368,222.80 and 152,098.36 is: 209,900.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,821.76 : 368,222.80 = 152,098.36 : x
  2. Step 2: Convert to fraction form
    266,821.76/368,222.80 = 152,098.36/x
  3. Step 3: Cross multiply
    266,821.76x = 368,222.80 × 152,098.36
  4. Step 4: Simplify right side
    266,821.76x = 56,006,083,994.61
  5. Step 5: Solve for x
    x = 56,006,083,994.61/266,821.76
  6. Step 6: Final answer
    x = 209,900.74

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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.