Home / 160,980.80-222,142.39-89,355.18

Finding the Fourth Proportional to 160,980.80, 222,142.39 and 89,355.18

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Solution

The fourth proportional to 160,980.80, 222,142.39 and 89,355.18 is: 123,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980.80 : 222,142.39 = 89,355.18 : x
  2. Step 2: Convert to fraction form
    160,980.80/222,142.39 = 89,355.18/x
  3. Step 3: Cross multiply
    160,980.80x = 222,142.39 × 89,355.18
  4. Step 4: Simplify right side
    160,980.80x = 19,849,573,244.08
  5. Step 5: Solve for x
    x = 19,849,573,244.08/160,980.80
  6. Step 6: Final answer
    x = 123,303.98

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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.