Home / 156,940.88-216,506.94-93,242.48

Finding the Fourth Proportional to 156,940.88, 216,506.94 and 93,242.48

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Solution

The fourth proportional to 156,940.88, 216,506.94 and 93,242.48 is: 128,632.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.88 : 216,506.94 = 93,242.48 : x
  2. Step 2: Convert to fraction form
    156,940.88/216,506.94 = 93,242.48/x
  3. Step 3: Cross multiply
    156,940.88x = 216,506.94 × 93,242.48
  4. Step 4: Simplify right side
    156,940.88x = 20,187,644,022.81
  5. Step 5: Solve for x
    x = 20,187,644,022.81/156,940.88
  6. Step 6: Final answer
    x = 128,632.16

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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.