Home / 144,564.28-216,452.76-112,431.80

Finding the Fourth Proportional to 144,564.28, 216,452.76 and 112,431.80

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Solution

The fourth proportional to 144,564.28, 216,452.76 and 112,431.80 is: 168,341.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,564.28 : 216,452.76 = 112,431.80 : x
  2. Step 2: Convert to fraction form
    144,564.28/216,452.76 = 112,431.80/x
  3. Step 3: Cross multiply
    144,564.28x = 216,452.76 × 112,431.80
  4. Step 4: Simplify right side
    144,564.28x = 24,336,173,421.77
  5. Step 5: Solve for x
    x = 24,336,173,421.77/144,564.28
  6. Step 6: Final answer
    x = 168,341.54

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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.