Home / 160,970.45-222,139.05-89,350.32

Finding the Fourth Proportional to 160,970.45, 222,139.05 and 89,350.32

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Solution

The fourth proportional to 160,970.45, 222,139.05 and 89,350.32 is: 123,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,970.45 : 222,139.05 = 89,350.32 : x
  2. Step 2: Convert to fraction form
    160,970.45/222,139.05 = 89,350.32/x
  3. Step 3: Cross multiply
    160,970.45x = 222,139.05 × 89,350.32
  4. Step 4: Simplify right side
    160,970.45x = 19,848,195,202.00
  5. Step 5: Solve for x
    x = 19,848,195,202.00/160,970.45
  6. Step 6: Final answer
    x = 123,303.35

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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.