Home / 163,082.15-225,055.73-122,173.81

Finding the Fourth Proportional to 163,082.15, 225,055.73 and 122,173.81

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Solution

The fourth proportional to 163,082.15, 225,055.73 and 122,173.81 is: 168,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,082.15 : 225,055.73 = 122,173.81 : x
  2. Step 2: Convert to fraction form
    163,082.15/225,055.73 = 122,173.81/x
  3. Step 3: Cross multiply
    163,082.15x = 225,055.73 × 122,173.81
  4. Step 4: Simplify right side
    163,082.15x = 27,495,915,996.43
  5. Step 5: Solve for x
    x = 27,495,915,996.43/163,082.15
  6. Step 6: Final answer
    x = 168,601.63

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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.