Home / 142,336.41-213,432.15-47,532.51

Finding the Fourth Proportional to 142,336.41, 213,432.15 and 47,532.51

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Solution

The fourth proportional to 142,336.41, 213,432.15 and 47,532.51 is: 71,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,336.41 : 213,432.15 = 47,532.51 : x
  2. Step 2: Convert to fraction form
    142,336.41/213,432.15 = 47,532.51/x
  3. Step 3: Cross multiply
    142,336.41x = 213,432.15 × 47,532.51
  4. Step 4: Simplify right side
    142,336.41x = 10,144,965,804.20
  5. Step 5: Solve for x
    x = 10,144,965,804.20/142,336.41
  6. Step 6: Final answer
    x = 71,274.57

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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.