Home / 161,390.13-222,718.37-94,322.13

Finding the Fourth Proportional to 161,390.13, 222,718.37 and 94,322.13

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Solution

The fourth proportional to 161,390.13, 222,718.37 and 94,322.13 is: 130,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,390.13 : 222,718.37 = 94,322.13 : x
  2. Step 2: Convert to fraction form
    161,390.13/222,718.37 = 94,322.13/x
  3. Step 3: Cross multiply
    161,390.13x = 222,718.37 × 94,322.13
  4. Step 4: Simplify right side
    161,390.13x = 21,007,271,048.53
  5. Step 5: Solve for x
    x = 21,007,271,048.53/161,390.13
  6. Step 6: Final answer
    x = 130,164.53

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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.