Home / 161,037.98-222,228.14-89,416.16

Finding the Fourth Proportional to 161,037.98, 222,228.14 and 89,416.16

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Solution

The fourth proportional to 161,037.98, 222,228.14 and 89,416.16 is: 123,391.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,037.98 : 222,228.14 = 89,416.16 : x
  2. Step 2: Convert to fraction form
    161,037.98/222,228.14 = 89,416.16/x
  3. Step 3: Cross multiply
    161,037.98x = 222,228.14 × 89,416.16
  4. Step 4: Simplify right side
    161,037.98x = 19,870,785,364.52
  5. Step 5: Solve for x
    x = 19,870,785,364.52/161,037.98
  6. Step 6: Final answer
    x = 123,391.92

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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.