Home / 160,890.16-222,040.56-89,283.70

Finding the Fourth Proportional to 160,890.16, 222,040.56 and 89,283.70

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Solution

The fourth proportional to 160,890.16, 222,040.56 and 89,283.70 is: 123,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,890.16 : 222,040.56 = 89,283.70 : x
  2. Step 2: Convert to fraction form
    160,890.16/222,040.56 = 89,283.70/x
  3. Step 3: Cross multiply
    160,890.16x = 222,040.56 × 89,283.70
  4. Step 4: Simplify right side
    160,890.16x = 19,824,602,746.87
  5. Step 5: Solve for x
    x = 19,824,602,746.87/160,890.16
  6. Step 6: Final answer
    x = 123,218.24

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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.