Home / 266,031.48-367,131.28-145,180.60

Finding the Fourth Proportional to 266,031.48, 367,131.28 and 145,180.60

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Solution

The fourth proportional to 266,031.48, 367,131.28 and 145,180.60 is: 200,353.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,031.48 : 367,131.28 = 145,180.60 : x
  2. Step 2: Convert to fraction form
    266,031.48/367,131.28 = 145,180.60/x
  3. Step 3: Cross multiply
    266,031.48x = 367,131.28 × 145,180.60
  4. Step 4: Simplify right side
    266,031.48x = 53,300,339,509.17
  5. Step 5: Solve for x
    x = 53,300,339,509.17/266,031.48
  6. Step 6: Final answer
    x = 200,353.51

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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.