Home / 173,128.32-259,471.36-98,193.28

Finding the Fourth Proportional to 173,128.32, 259,471.36 and 98,193.28

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Solution

The fourth proportional to 173,128.32, 259,471.36 and 98,193.28 is: 147,164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,128.32 : 259,471.36 = 98,193.28 : x
  2. Step 2: Convert to fraction form
    173,128.32/259,471.36 = 98,193.28/x
  3. Step 3: Cross multiply
    173,128.32x = 259,471.36 × 98,193.28
  4. Step 4: Simplify right side
    173,128.32x = 25,478,343,904.46
  5. Step 5: Solve for x
    x = 25,478,343,904.46/173,128.32
  6. Step 6: Final answer
    x = 147,164.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.