Home / 291,982.86-402,937.47-162,926.78

Finding the Fourth Proportional to 291,982.86, 402,937.47 and 162,926.78

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Solution

The fourth proportional to 291,982.86, 402,937.47 and 162,926.78 is: 224,839.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,982.86 : 402,937.47 = 162,926.78 : x
  2. Step 2: Convert to fraction form
    291,982.86/402,937.47 = 162,926.78/x
  3. Step 3: Cross multiply
    291,982.86x = 402,937.47 × 162,926.78
  4. Step 4: Simplify right side
    291,982.86x = 65,649,302,513.76
  5. Step 5: Solve for x
    x = 65,649,302,513.76/291,982.86
  6. Step 6: Final answer
    x = 224,839.58

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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.