Home / 185,130.41-277,796.08-78,574.30

Finding the Fourth Proportional to 185,130.41, 277,796.08 and 78,574.30

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Solution

The fourth proportional to 185,130.41, 277,796.08 and 78,574.30 is: 117,904.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,130.41 : 277,796.08 = 78,574.30 : x
  2. Step 2: Convert to fraction form
    185,130.41/277,796.08 = 78,574.30/x
  3. Step 3: Cross multiply
    185,130.41x = 277,796.08 × 78,574.30
  4. Step 4: Simplify right side
    185,130.41x = 21,827,633,495.07
  5. Step 5: Solve for x
    x = 21,827,633,495.07/185,130.41
  6. Step 6: Final answer
    x = 117,904.09

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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.