Home / 212,279.85-292,946.18-116,784.49

Finding the Fourth Proportional to 212,279.85, 292,946.18 and 116,784.49

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Solution

The fourth proportional to 212,279.85, 292,946.18 and 116,784.49 is: 161,162.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,279.85 : 292,946.18 = 116,784.49 : x
  2. Step 2: Convert to fraction form
    212,279.85/292,946.18 = 116,784.49/x
  3. Step 3: Cross multiply
    212,279.85x = 292,946.18 × 116,784.49
  4. Step 4: Simplify right side
    212,279.85x = 34,211,570,520.71
  5. Step 5: Solve for x
    x = 34,211,570,520.71/212,279.85
  6. Step 6: Final answer
    x = 161,162.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.