Home / 291,264.51-402,069.40-195,826.55

Finding the Fourth Proportional to 291,264.51, 402,069.40 and 195,826.55

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Solution

The fourth proportional to 291,264.51, 402,069.40 and 195,826.55 is: 270,324.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,264.51 : 402,069.40 = 195,826.55 : x
  2. Step 2: Convert to fraction form
    291,264.51/402,069.40 = 195,826.55/x
  3. Step 3: Cross multiply
    291,264.51x = 402,069.40 × 195,826.55
  4. Step 4: Simplify right side
    291,264.51x = 78,735,863,978.18
  5. Step 5: Solve for x
    x = 78,735,863,978.18/291,264.51
  6. Step 6: Final answer
    x = 270,324.26

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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.