Home / 161,944.22-223,483.36-90,322.40

Finding the Fourth Proportional to 161,944.22, 223,483.36 and 90,322.40

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Solution

The fourth proportional to 161,944.22, 223,483.36 and 90,322.40 is: 124,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.22 : 223,483.36 = 90,322.40 : x
  2. Step 2: Convert to fraction form
    161,944.22/223,483.36 = 90,322.40/x
  3. Step 3: Cross multiply
    161,944.22x = 223,483.36 × 90,322.40
  4. Step 4: Simplify right side
    161,944.22x = 20,185,553,435.26
  5. Step 5: Solve for x
    x = 20,185,553,435.26/161,944.22
  6. Step 6: Final answer
    x = 124,645.10

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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.