Home / 206,268.51-309,403.05-56,510.10

Finding the Fourth Proportional to 206,268.51, 309,403.05 and 56,510.10

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Solution

The fourth proportional to 206,268.51, 309,403.05 and 56,510.10 is: 84,765.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,268.51 : 309,403.05 = 56,510.10 : x
  2. Step 2: Convert to fraction form
    206,268.51/309,403.05 = 56,510.10/x
  3. Step 3: Cross multiply
    206,268.51x = 309,403.05 × 56,510.10
  4. Step 4: Simplify right side
    206,268.51x = 17,484,397,295.81
  5. Step 5: Solve for x
    x = 17,484,397,295.81/206,268.51
  6. Step 6: Final answer
    x = 84,765.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.