Home / 146,423.40-219,635.10-121,491.60

Finding the Fourth Proportional to 146,423.40, 219,635.10 and 121,491.60

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Solution

The fourth proportional to 146,423.40, 219,635.10 and 121,491.60 is: 182,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,423.40 : 219,635.10 = 121,491.60 : x
  2. Step 2: Convert to fraction form
    146,423.40/219,635.10 = 121,491.60/x
  3. Step 3: Cross multiply
    146,423.40x = 219,635.10 × 121,491.60
  4. Step 4: Simplify right side
    146,423.40x = 26,683,819,715.16
  5. Step 5: Solve for x
    x = 26,683,819,715.16/146,423.40
  6. Step 6: Final answer
    x = 182,237.40

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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.