Home / 142,525.93-196,654.55-85,156.63

Finding the Fourth Proportional to 142,525.93, 196,654.55 and 85,156.63

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Solution

The fourth proportional to 142,525.93, 196,654.55 and 85,156.63 is: 117,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,525.93 : 196,654.55 = 85,156.63 : x
  2. Step 2: Convert to fraction form
    142,525.93/196,654.55 = 85,156.63/x
  3. Step 3: Cross multiply
    142,525.93x = 196,654.55 × 85,156.63
  4. Step 4: Simplify right side
    142,525.93x = 16,746,439,419.93
  5. Step 5: Solve for x
    x = 16,746,439,419.93/142,525.93
  6. Step 6: Final answer
    x = 117,497.49

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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.