Home / 291,217.07-402,003.56-195,779.13

Finding the Fourth Proportional to 291,217.07, 402,003.56 and 195,779.13

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Solution

The fourth proportional to 291,217.07, 402,003.56 and 195,779.13 is: 270,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,217.07 : 402,003.56 = 195,779.13 : x
  2. Step 2: Convert to fraction form
    291,217.07/402,003.56 = 195,779.13/x
  3. Step 3: Cross multiply
    291,217.07x = 402,003.56 × 195,779.13
  4. Step 4: Simplify right side
    291,217.07x = 78,703,905,665.01
  5. Step 5: Solve for x
    x = 78,703,905,665.01/291,217.07
  6. Step 6: Final answer
    x = 270,258.56

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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.