Home / 266,417.56-367,681.20-145,576.75

Finding the Fourth Proportional to 266,417.56, 367,681.20 and 145,576.75

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Solution

The fourth proportional to 266,417.56, 367,681.20 and 145,576.75 is: 200,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,417.56 : 367,681.20 = 145,576.75 : x
  2. Step 2: Convert to fraction form
    266,417.56/367,681.20 = 145,576.75/x
  3. Step 3: Cross multiply
    266,417.56x = 367,681.20 × 145,576.75
  4. Step 4: Simplify right side
    266,417.56x = 53,525,834,132.10
  5. Step 5: Solve for x
    x = 53,525,834,132.10/266,417.56
  6. Step 6: Final answer
    x = 200,909.56

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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.