Home / 376,177.64-519,125.15-215,036.17

Finding the Fourth Proportional to 376,177.64, 519,125.15 and 215,036.17

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Solution

The fourth proportional to 376,177.64, 519,125.15 and 215,036.17 is: 296,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,177.64 : 519,125.15 = 215,036.17 : x
  2. Step 2: Convert to fraction form
    376,177.64/519,125.15 = 215,036.17/x
  3. Step 3: Cross multiply
    376,177.64x = 519,125.15 × 215,036.17
  4. Step 4: Simplify right side
    376,177.64x = 111,630,683,246.45
  5. Step 5: Solve for x
    x = 111,630,683,246.45/376,177.64
  6. Step 6: Final answer
    x = 296,749.92

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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.