Home / 156,836.36-216,452.76-93,174.68

Finding the Fourth Proportional to 156,836.36, 216,452.76 and 93,174.68

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Solution

The fourth proportional to 156,836.36, 216,452.76 and 93,174.68 is: 128,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,836.36 : 216,452.76 = 93,174.68 : x
  2. Step 2: Convert to fraction form
    156,836.36/216,452.76 = 93,174.68/x
  3. Step 3: Cross multiply
    156,836.36x = 216,452.76 × 93,174.68
  4. Step 4: Simplify right side
    156,836.36x = 20,167,916,648.12
  5. Step 5: Solve for x
    x = 20,167,916,648.12/156,836.36
  6. Step 6: Final answer
    x = 128,592.10

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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.