Home / 161,184.48-222,436.80-89,563.20

Finding the Fourth Proportional to 161,184.48, 222,436.80 and 89,563.20

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Solution

The fourth proportional to 161,184.48, 222,436.80 and 89,563.20 is: 123,598.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,184.48 : 222,436.80 = 89,563.20 : x
  2. Step 2: Convert to fraction form
    161,184.48/222,436.80 = 89,563.20/x
  3. Step 3: Cross multiply
    161,184.48x = 222,436.80 × 89,563.20
  4. Step 4: Simplify right side
    161,184.48x = 19,922,151,605.76
  5. Step 5: Solve for x
    x = 19,922,151,605.76/161,184.48
  6. Step 6: Final answer
    x = 123,598.45

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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.