Home / 161,792.07-223,280.66-90,172.60

Finding the Fourth Proportional to 161,792.07, 223,280.66 and 90,172.60

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Solution

The fourth proportional to 161,792.07, 223,280.66 and 90,172.60 is: 124,442.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,792.07 : 223,280.66 = 90,172.60 : x
  2. Step 2: Convert to fraction form
    161,792.07/223,280.66 = 90,172.60/x
  3. Step 3: Cross multiply
    161,792.07x = 223,280.66 × 90,172.60
  4. Step 4: Simplify right side
    161,792.07x = 20,133,796,632.85
  5. Step 5: Solve for x
    x = 20,133,796,632.85/161,792.07
  6. Step 6: Final answer
    x = 124,442.42

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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.