Home / 212,107.77-292,701.20-116,613.72

Finding the Fourth Proportional to 212,107.77, 292,701.20 and 116,613.72

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Solution

The fourth proportional to 212,107.77, 292,701.20 and 116,613.72 is: 160,922.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,107.77 : 292,701.20 = 116,613.72 : x
  2. Step 2: Convert to fraction form
    212,107.77/292,701.20 = 116,613.72/x
  3. Step 3: Cross multiply
    212,107.77x = 292,701.20 × 116,613.72
  4. Step 4: Simplify right side
    212,107.77x = 34,132,975,197.40
  5. Step 5: Solve for x
    x = 34,132,975,197.40/212,107.77
  6. Step 6: Final answer
    x = 160,922.80

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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.