Home / 266,749.11-368,108.59-145,890.01

Finding the Fourth Proportional to 266,749.11, 368,108.59 and 145,890.01

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Solution

The fourth proportional to 266,749.11, 368,108.59 and 145,890.01 is: 201,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,749.11 : 368,108.59 = 145,890.01 : x
  2. Step 2: Convert to fraction form
    266,749.11/368,108.59 = 145,890.01/x
  3. Step 3: Cross multiply
    266,749.11x = 368,108.59 × 145,890.01
  4. Step 4: Simplify right side
    266,749.11x = 53,703,365,876.19
  5. Step 5: Solve for x
    x = 53,703,365,876.19/266,749.11
  6. Step 6: Final answer
    x = 201,325.38

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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.