Home / 376,256.73-519,216.14-215,129.51

Finding the Fourth Proportional to 376,256.73, 519,216.14 and 215,129.51

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Solution

The fourth proportional to 376,256.73, 519,216.14 and 215,129.51 is: 296,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,256.73 : 519,216.14 = 215,129.51 : x
  2. Step 2: Convert to fraction form
    376,256.73/519,216.14 = 215,129.51/x
  3. Step 3: Cross multiply
    376,256.73x = 519,216.14 × 215,129.51
  4. Step 4: Simplify right side
    376,256.73x = 111,698,713,782.29
  5. Step 5: Solve for x
    x = 111,698,713,782.29/376,256.73
  6. Step 6: Final answer
    x = 296,868.35

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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.