Home / 161,017.26-222,210.75-89,397.28

Finding the Fourth Proportional to 161,017.26, 222,210.75 and 89,397.28

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Solution

The fourth proportional to 161,017.26, 222,210.75 and 89,397.28 is: 123,372.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,017.26 : 222,210.75 = 89,397.28 : x
  2. Step 2: Convert to fraction form
    161,017.26/222,210.75 = 89,397.28/x
  3. Step 3: Cross multiply
    161,017.26x = 222,210.75 × 89,397.28
  4. Step 4: Simplify right side
    161,017.26x = 19,865,037,249.76
  5. Step 5: Solve for x
    x = 19,865,037,249.76/161,017.26
  6. Step 6: Final answer
    x = 123,372.10

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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.