Home / 266,825.12-368,238.66-152,106.50

Finding the Fourth Proportional to 266,825.12, 368,238.66 and 152,106.50

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Solution

The fourth proportional to 266,825.12, 368,238.66 and 152,106.50 is: 209,918.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,825.12 : 368,238.66 = 152,106.50 : x
  2. Step 2: Convert to fraction form
    266,825.12/368,238.66 = 152,106.50/x
  3. Step 3: Cross multiply
    266,825.12x = 368,238.66 × 152,106.50
  4. Step 4: Simplify right side
    266,825.12x = 56,011,493,737.29
  5. Step 5: Solve for x
    x = 56,011,493,737.29/266,825.12
  6. Step 6: Final answer
    x = 209,918.37

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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.