Home / 178,143.36-245,840.64-97,569.44

Finding the Fourth Proportional to 178,143.36, 245,840.64 and 97,569.44

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Solution

The fourth proportional to 178,143.36, 245,840.64 and 97,569.44 is: 134,647.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,143.36 : 245,840.64 = 97,569.44 : x
  2. Step 2: Convert to fraction form
    178,143.36/245,840.64 = 97,569.44/x
  3. Step 3: Cross multiply
    178,143.36x = 245,840.64 × 97,569.44
  4. Step 4: Simplify right side
    178,143.36x = 23,986,533,574.04
  5. Step 5: Solve for x
    x = 23,986,533,574.04/178,143.36
  6. Step 6: Final answer
    x = 134,647.36

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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.