Home / 156,764.81-234,986.16-61,956.47

Finding the Fourth Proportional to 156,764.81, 234,986.16 and 61,956.47

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Solution

The fourth proportional to 156,764.81, 234,986.16 and 61,956.47 is: 92,871.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.81 : 234,986.16 = 61,956.47 : x
  2. Step 2: Convert to fraction form
    156,764.81/234,986.16 = 61,956.47/x
  3. Step 3: Cross multiply
    156,764.81x = 234,986.16 × 61,956.47
  4. Step 4: Simplify right side
    156,764.81x = 14,558,912,972.46
  5. Step 5: Solve for x
    x = 14,558,912,972.46/156,764.81
  6. Step 6: Final answer
    x = 92,871.05

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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.