Home / 143,536.60-214,916.10-112,432.60

Finding the Fourth Proportional to 143,536.60, 214,916.10 and 112,432.60

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Solution

The fourth proportional to 143,536.60, 214,916.10 and 112,432.60 is: 168,344.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,536.60 : 214,916.10 = 112,432.60 : x
  2. Step 2: Convert to fraction form
    143,536.60/214,916.10 = 112,432.60/x
  3. Step 3: Cross multiply
    143,536.60x = 214,916.10 × 112,432.60
  4. Step 4: Simplify right side
    143,536.60x = 24,163,575,904.86
  5. Step 5: Solve for x
    x = 24,163,575,904.86/143,536.60
  6. Step 6: Final answer
    x = 168,344.35

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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.