Home / 291,785.60-402,996.28-196,126.22

Finding the Fourth Proportional to 291,785.60, 402,996.28 and 196,126.22

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Solution

The fourth proportional to 291,785.60, 402,996.28 and 196,126.22 is: 270,877.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,785.60 : 402,996.28 = 196,126.22 : x
  2. Step 2: Convert to fraction form
    291,785.60/402,996.28 = 196,126.22/x
  3. Step 3: Cross multiply
    291,785.60x = 402,996.28 × 196,126.22
  4. Step 4: Simplify right side
    291,785.60x = 79,038,135,082.34
  5. Step 5: Solve for x
    x = 79,038,135,082.34/291,785.60
  6. Step 6: Final answer
    x = 270,877.44

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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.