Home / 156,613.69-216,127.04-84,993.73

Finding the Fourth Proportional to 156,613.69, 216,127.04 and 84,993.73

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Solution

The fourth proportional to 156,613.69, 216,127.04 and 84,993.73 is: 117,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,613.69 : 216,127.04 = 84,993.73 : x
  2. Step 2: Convert to fraction form
    156,613.69/216,127.04 = 84,993.73/x
  3. Step 3: Cross multiply
    156,613.69x = 216,127.04 × 84,993.73
  4. Step 4: Simplify right side
    156,613.69x = 18,369,443,283.46
  5. Step 5: Solve for x
    x = 18,369,443,283.46/156,613.69
  6. Step 6: Final answer
    x = 117,291.43

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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.