Home / 172,785.36-238,442.76-97,358.16

Finding the Fourth Proportional to 172,785.36, 238,442.76 and 97,358.16

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Solution

The fourth proportional to 172,785.36, 238,442.76 and 97,358.16 is: 134,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,785.36 : 238,442.76 = 97,358.16 : x
  2. Step 2: Convert to fraction form
    172,785.36/238,442.76 = 97,358.16/x
  3. Step 3: Cross multiply
    172,785.36x = 238,442.76 × 97,358.16
  4. Step 4: Simplify right side
    172,785.36x = 23,214,348,378.92
  5. Step 5: Solve for x
    x = 23,214,348,378.92/172,785.36
  6. Step 6: Final answer
    x = 134,353.68

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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.