Home / 291,265.51-402,070.78-195,827.55

Finding the Fourth Proportional to 291,265.51, 402,070.78 and 195,827.55

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Solution

The fourth proportional to 291,265.51, 402,070.78 and 195,827.55 is: 270,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,265.51 : 402,070.78 = 195,827.55 : x
  2. Step 2: Convert to fraction form
    291,265.51/402,070.78 = 195,827.55/x
  3. Step 3: Cross multiply
    291,265.51x = 402,070.78 × 195,827.55
  4. Step 4: Simplify right side
    291,265.51x = 78,736,535,773.99
  5. Step 5: Solve for x
    x = 78,736,535,773.99/291,265.51
  6. Step 6: Final answer
    x = 270,325.64

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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.