Home / 203,130.16-304,691.96-55,386.16

Finding the Fourth Proportional to 203,130.16, 304,691.96 and 55,386.16

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Solution

The fourth proportional to 203,130.16, 304,691.96 and 55,386.16 is: 83,078.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,130.16 : 304,691.96 = 55,386.16 : x
  2. Step 2: Convert to fraction form
    203,130.16/304,691.96 = 55,386.16/x
  3. Step 3: Cross multiply
    203,130.16x = 304,691.96 × 55,386.16
  4. Step 4: Simplify right side
    203,130.16x = 16,875,717,647.27
  5. Step 5: Solve for x
    x = 16,875,717,647.27/203,130.16
  6. Step 6: Final answer
    x = 83,078.35

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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.