Home / 142,818.18-214,152.39-49,301.70

Finding the Fourth Proportional to 142,818.18, 214,152.39 and 49,301.70

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Solution

The fourth proportional to 142,818.18, 214,152.39 and 49,301.70 is: 73,926.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,818.18 : 214,152.39 = 49,301.70 : x
  2. Step 2: Convert to fraction form
    142,818.18/214,152.39 = 49,301.70/x
  3. Step 3: Cross multiply
    142,818.18x = 214,152.39 × 49,301.70
  4. Step 4: Simplify right side
    142,818.18x = 10,558,076,886.06
  5. Step 5: Solve for x
    x = 10,558,076,886.06/142,818.18
  6. Step 6: Final answer
    x = 73,926.70

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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.