Home / 142,036.16-213,078.85-63,156.54

Finding the Fourth Proportional to 142,036.16, 213,078.85 and 63,156.54

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Solution

The fourth proportional to 142,036.16, 213,078.85 and 63,156.54 is: 94,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,036.16 : 213,078.85 = 63,156.54 : x
  2. Step 2: Convert to fraction form
    142,036.16/213,078.85 = 63,156.54/x
  3. Step 3: Cross multiply
    142,036.16x = 213,078.85 × 63,156.54
  4. Step 4: Simplify right side
    142,036.16x = 13,457,322,913.18
  5. Step 5: Solve for x
    x = 13,457,322,913.18/142,036.16
  6. Step 6: Final answer
    x = 94,745.75

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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.