Home / 266,900.76-368,456.32-153,701.64

Finding the Fourth Proportional to 266,900.76, 368,456.32 and 153,701.64

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Solution

The fourth proportional to 266,900.76, 368,456.32 and 153,701.64 is: 212,185.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,900.76 : 368,456.32 = 153,701.64 : x
  2. Step 2: Convert to fraction form
    266,900.76/368,456.32 = 153,701.64/x
  3. Step 3: Cross multiply
    266,900.76x = 368,456.32 × 153,701.64
  4. Step 4: Simplify right side
    266,900.76x = 56,632,340,652.36
  5. Step 5: Solve for x
    x = 56,632,340,652.36/266,900.76
  6. Step 6: Final answer
    x = 212,185.01

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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.