Home / 266,748.86-368,108.25-145,889.76

Finding the Fourth Proportional to 266,748.86, 368,108.25 and 145,889.76

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Solution

The fourth proportional to 266,748.86, 368,108.25 and 145,889.76 is: 201,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,748.86 : 368,108.25 = 145,889.76 : x
  2. Step 2: Convert to fraction form
    266,748.86/368,108.25 = 145,889.76/x
  3. Step 3: Cross multiply
    266,748.86x = 368,108.25 × 145,889.76
  4. Step 4: Simplify right side
    266,748.86x = 53,703,224,246.52
  5. Step 5: Solve for x
    x = 53,703,224,246.52/266,748.86
  6. Step 6: Final answer
    x = 201,325.04

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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.