Home / 376,323.28-519,307.17-223,368.15

Finding the Fourth Proportional to 376,323.28, 519,307.17 and 223,368.15

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Solution

The fourth proportional to 376,323.28, 519,307.17 and 223,368.15 is: 308,236.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,323.28 : 519,307.17 = 223,368.15 : x
  2. Step 2: Convert to fraction form
    376,323.28/519,307.17 = 223,368.15/x
  3. Step 3: Cross multiply
    376,323.28x = 519,307.17 × 223,368.15
  4. Step 4: Simplify right side
    376,323.28x = 115,996,681,844.64
  5. Step 5: Solve for x
    x = 115,996,681,844.64/376,323.28
  6. Step 6: Final answer
    x = 308,236.80

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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.