Home / 142,532.64-196,534.08-106,607.52

Finding the Fourth Proportional to 142,532.64, 196,534.08 and 106,607.52

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Solution

The fourth proportional to 142,532.64, 196,534.08 and 106,607.52 is: 146,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,532.64 : 196,534.08 = 106,607.52 : x
  2. Step 2: Convert to fraction form
    142,532.64/196,534.08 = 106,607.52/x
  3. Step 3: Cross multiply
    142,532.64x = 196,534.08 × 106,607.52
  4. Step 4: Simplify right side
    142,532.64x = 20,952,010,864.28
  5. Step 5: Solve for x
    x = 20,952,010,864.28/142,532.64
  6. Step 6: Final answer
    x = 146,997.98

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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.