Home / 212,154.64-292,780.92-116,668.60

Finding the Fourth Proportional to 212,154.64, 292,780.92 and 116,668.60

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Solution

The fourth proportional to 212,154.64, 292,780.92 and 116,668.60 is: 161,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,154.64 : 292,780.92 = 116,668.60 : x
  2. Step 2: Convert to fraction form
    212,154.64/292,780.92 = 116,668.60/x
  3. Step 3: Cross multiply
    212,154.64x = 292,780.92 × 116,668.60
  4. Step 4: Simplify right side
    212,154.64x = 34,158,340,043.11
  5. Step 5: Solve for x
    x = 34,158,340,043.11/212,154.64
  6. Step 6: Final answer
    x = 161,006.80

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1.5x scale

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.