Home / 157,166.36-216,883.56-89,179.28

Finding the Fourth Proportional to 157,166.36, 216,883.56 and 89,179.28

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Solution

The fourth proportional to 157,166.36, 216,883.56 and 89,179.28 is: 123,063.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,166.36 : 216,883.56 = 89,179.28 : x
  2. Step 2: Convert to fraction form
    157,166.36/216,883.56 = 89,179.28/x
  3. Step 3: Cross multiply
    157,166.36x = 216,883.56 × 89,179.28
  4. Step 4: Simplify right side
    157,166.36x = 19,341,520,255.47
  5. Step 5: Solve for x
    x = 19,341,520,255.47/157,166.36
  6. Step 6: Final answer
    x = 123,063.99

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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.