Home / 261,732.51-361,415.39-253,268.82

Finding the Fourth Proportional to 261,732.51, 361,415.39 and 253,268.82

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Solution

The fourth proportional to 261,732.51, 361,415.39 and 253,268.82 is: 349,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,732.51 : 361,415.39 = 253,268.82 : x
  2. Step 2: Convert to fraction form
    261,732.51/361,415.39 = 253,268.82/x
  3. Step 3: Cross multiply
    261,732.51x = 361,415.39 × 253,268.82
  4. Step 4: Simplify right side
    261,732.51x = 91,535,249,988.31
  5. Step 5: Solve for x
    x = 91,535,249,988.31/261,732.51
  6. Step 6: Final answer
    x = 349,728.24

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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.