Home / 157,636.02-217,542.48-89,662.76

Finding the Fourth Proportional to 157,636.02, 217,542.48 and 89,662.76

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Solution

The fourth proportional to 157,636.02, 217,542.48 and 89,662.76 is: 123,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,636.02 : 217,542.48 = 89,662.76 : x
  2. Step 2: Convert to fraction form
    157,636.02/217,542.48 = 89,662.76/x
  3. Step 3: Cross multiply
    157,636.02x = 217,542.48 × 89,662.76
  4. Step 4: Simplify right side
    157,636.02x = 19,505,459,174.04
  5. Step 5: Solve for x
    x = 19,505,459,174.04/157,636.02
  6. Step 6: Final answer
    x = 123,737.32

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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.