Home / 261,135.06-358,019.51-256,411.14

Finding the Fourth Proportional to 261,135.06, 358,019.51 and 256,411.14

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Solution

The fourth proportional to 261,135.06, 358,019.51 and 256,411.14 is: 351,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,135.06 : 358,019.51 = 256,411.14 : x
  2. Step 2: Convert to fraction form
    261,135.06/358,019.51 = 256,411.14/x
  3. Step 3: Cross multiply
    261,135.06x = 358,019.51 × 256,411.14
  4. Step 4: Simplify right side
    261,135.06x = 91,800,189,419.29
  5. Step 5: Solve for x
    x = 91,800,189,419.29/261,135.06
  6. Step 6: Final answer
    x = 351,542.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.