Home / 161,944.58-223,313.95-139,360.16

Finding the Fourth Proportional to 161,944.58, 223,313.95 and 139,360.16

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Solution

The fourth proportional to 161,944.58, 223,313.95 and 139,360.16 is: 192,171.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,944.58 : 223,313.95 = 139,360.16 : x
  2. Step 2: Convert to fraction form
    161,944.58/223,313.95 = 139,360.16/x
  3. Step 3: Cross multiply
    161,944.58x = 223,313.95 × 139,360.16
  4. Step 4: Simplify right side
    161,944.58x = 31,121,067,802.23
  5. Step 5: Solve for x
    x = 31,121,067,802.23/161,944.58
  6. Step 6: Final answer
    x = 192,171.10

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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.