Home / 157,083.04-235,640.94-90,598.24

Finding the Fourth Proportional to 157,083.04, 235,640.94 and 90,598.24

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Solution

The fourth proportional to 157,083.04, 235,640.94 and 90,598.24 is: 135,906.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,083.04 : 235,640.94 = 90,598.24 : x
  2. Step 2: Convert to fraction form
    157,083.04/235,640.94 = 90,598.24/x
  3. Step 3: Cross multiply
    157,083.04x = 235,640.94 × 90,598.24
  4. Step 4: Simplify right side
    157,083.04x = 21,348,654,435.95
  5. Step 5: Solve for x
    x = 21,348,654,435.95/157,083.04
  6. Step 6: Final answer
    x = 135,906.81

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1.5x scale

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.