Home / 161,030.16-222,222.56-88,436.16

Finding the Fourth Proportional to 161,030.16, 222,222.56 and 88,436.16

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Solution

The fourth proportional to 161,030.16, 222,222.56 and 88,436.16 is: 122,042.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,030.16 : 222,222.56 = 88,436.16 : x
  2. Step 2: Convert to fraction form
    161,030.16/222,222.56 = 88,436.16/x
  3. Step 3: Cross multiply
    161,030.16x = 222,222.56 × 88,436.16
  4. Step 4: Simplify right side
    161,030.16x = 19,652,509,429.59
  5. Step 5: Solve for x
    x = 19,652,509,429.59/161,030.16
  6. Step 6: Final answer
    x = 122,042.41

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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.