Home / 151,203.78-208,574.31-94,516.74

Finding the Fourth Proportional to 151,203.78, 208,574.31 and 94,516.74

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Solution

The fourth proportional to 151,203.78, 208,574.31 and 94,516.74 is: 130,378.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,203.78 : 208,574.31 = 94,516.74 : x
  2. Step 2: Convert to fraction form
    151,203.78/208,574.31 = 94,516.74/x
  3. Step 3: Cross multiply
    151,203.78x = 208,574.31 × 94,516.74
  4. Step 4: Simplify right side
    151,203.78x = 19,713,763,828.95
  5. Step 5: Solve for x
    x = 19,713,763,828.95/151,203.78
  6. Step 6: Final answer
    x = 130,378.78

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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.