Home / 121,141-181,593.44-57,944.62

Finding the Fourth Proportional to 121,141, 181,593.44 and 57,944.62

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Solution

The fourth proportional to 121,141, 181,593.44 and 57,944.62 is: 86,860.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,141 : 181,593.44 = 57,944.62 : x
  2. Step 2: Convert to fraction form
    121,141/181,593.44 = 57,944.62/x
  3. Step 3: Cross multiply
    121,141x = 181,593.44 × 57,944.62
  4. Step 4: Simplify right side
    121,141x = 10,522,362,875.29
  5. Step 5: Solve for x
    x = 10,522,362,875.29/121,141
  6. Step 6: Final answer
    x = 86,860.46

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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.