Home / 189,257.44-283,931.76-70,929.84

Finding the Fourth Proportional to 189,257.44, 283,931.76 and 70,929.84

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Solution

The fourth proportional to 189,257.44, 283,931.76 and 70,929.84 is: 106,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,257.44 : 283,931.76 = 70,929.84 : x
  2. Step 2: Convert to fraction form
    189,257.44/283,931.76 = 70,929.84/x
  3. Step 3: Cross multiply
    189,257.44x = 283,931.76 × 70,929.84
  4. Step 4: Simplify right side
    189,257.44x = 20,139,234,307.72
  5. Step 5: Solve for x
    x = 20,139,234,307.72/189,257.44
  6. Step 6: Final answer
    x = 106,411.85

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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.