Home / 194,562-291,465.36-127,799.55

Finding the Fourth Proportional to 194,562, 291,465.36 and 127,799.55

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Solution

The fourth proportional to 194,562, 291,465.36 and 127,799.55 is: 191,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,562 : 291,465.36 = 127,799.55 : x
  2. Step 2: Convert to fraction form
    194,562/291,465.36 = 127,799.55/x
  3. Step 3: Cross multiply
    194,562x = 291,465.36 × 127,799.55
  4. Step 4: Simplify right side
    194,562x = 37,249,141,848.59
  5. Step 5: Solve for x
    x = 37,249,141,848.59/194,562
  6. Step 6: Final answer
    x = 191,451.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.