Home / 160,955.68-222,117.16-89,336.32

Finding the Fourth Proportional to 160,955.68, 222,117.16 and 89,336.32

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Solution

The fourth proportional to 160,955.68, 222,117.16 and 89,336.32 is: 123,283.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,955.68 : 222,117.16 = 89,336.32 : x
  2. Step 2: Convert to fraction form
    160,955.68/222,117.16 = 89,336.32/x
  3. Step 3: Cross multiply
    160,955.68x = 222,117.16 × 89,336.32
  4. Step 4: Simplify right side
    160,955.68x = 19,843,129,683.25
  5. Step 5: Solve for x
    x = 19,843,129,683.25/160,955.68
  6. Step 6: Final answer
    x = 123,283.19

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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.