Home / 119,058.55-178,588.83-30,312.07

Finding the Fourth Proportional to 119,058.55, 178,588.83 and 30,312.07

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Solution

The fourth proportional to 119,058.55, 178,588.83 and 30,312.07 is: 45,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,058.55 : 178,588.83 = 30,312.07 : x
  2. Step 2: Convert to fraction form
    119,058.55/178,588.83 = 30,312.07/x
  3. Step 3: Cross multiply
    119,058.55x = 178,588.83 × 30,312.07
  4. Step 4: Simplify right side
    119,058.55x = 5,413,397,116.18
  5. Step 5: Solve for x
    x = 5,413,397,116.18/119,058.55
  6. Step 6: Final answer
    x = 45,468.36

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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.