Home / 291,964.03-402,949.02-171,152.80

Finding the Fourth Proportional to 291,964.03, 402,949.02 and 171,152.80

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Solution

The fourth proportional to 291,964.03, 402,949.02 and 171,152.80 is: 236,213.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,964.03 : 402,949.02 = 171,152.80 : x
  2. Step 2: Convert to fraction form
    291,964.03/402,949.02 = 171,152.80/x
  3. Step 3: Cross multiply
    291,964.03x = 402,949.02 × 171,152.80
  4. Step 4: Simplify right side
    291,964.03x = 68,965,853,030.26
  5. Step 5: Solve for x
    x = 68,965,853,030.26/291,964.03
  6. Step 6: Final answer
    x = 236,213.53

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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.