Home / 130,890.94-196,336.41-42,153.41

Finding the Fourth Proportional to 130,890.94, 196,336.41 and 42,153.41

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Solution

The fourth proportional to 130,890.94, 196,336.41 and 42,153.41 is: 63,230.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,890.94 : 196,336.41 = 42,153.41 : x
  2. Step 2: Convert to fraction form
    130,890.94/196,336.41 = 42,153.41/x
  3. Step 3: Cross multiply
    130,890.94x = 196,336.41 × 42,153.41
  4. Step 4: Simplify right side
    130,890.94x = 8,276,249,521.42
  5. Step 5: Solve for x
    x = 8,276,249,521.42/130,890.94
  6. Step 6: Final answer
    x = 63,230.12

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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.