Home / 266,780.10-368,188.29-153,624.90

Finding the Fourth Proportional to 266,780.10, 368,188.29 and 153,624.90

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Solution

The fourth proportional to 266,780.10, 368,188.29 and 153,624.90 is: 212,020.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,780.10 : 368,188.29 = 153,624.90 : x
  2. Step 2: Convert to fraction form
    266,780.10/368,188.29 = 153,624.90/x
  3. Step 3: Cross multiply
    266,780.10x = 368,188.29 × 153,624.90
  4. Step 4: Simplify right side
    266,780.10x = 56,562,889,232.42
  5. Step 5: Solve for x
    x = 56,562,889,232.42/266,780.10
  6. Step 6: Final answer
    x = 212,020.65

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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.