Home / 123,549.19-185,335.32-34,802.55

Finding the Fourth Proportional to 123,549.19, 185,335.32 and 34,802.55

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Solution

The fourth proportional to 123,549.19, 185,335.32 and 34,802.55 is: 52,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,549.19 : 185,335.32 = 34,802.55 : x
  2. Step 2: Convert to fraction form
    123,549.19/185,335.32 = 34,802.55/x
  3. Step 3: Cross multiply
    123,549.19x = 185,335.32 × 34,802.55
  4. Step 4: Simplify right side
    123,549.19x = 6,450,141,741.07
  5. Step 5: Solve for x
    x = 6,450,141,741.07/123,549.19
  6. Step 6: Final answer
    x = 52,207.07

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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.