Home / 168,477.30-232,471.22-99,557.19

Finding the Fourth Proportional to 168,477.30, 232,471.22 and 99,557.19

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Solution

The fourth proportional to 168,477.30, 232,471.22 and 99,557.19 is: 137,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,477.30 : 232,471.22 = 99,557.19 : x
  2. Step 2: Convert to fraction form
    168,477.30/232,471.22 = 99,557.19/x
  3. Step 3: Cross multiply
    168,477.30x = 232,471.22 × 99,557.19
  4. Step 4: Simplify right side
    168,477.30x = 23,144,180,921.29
  5. Step 5: Solve for x
    x = 23,144,180,921.29/168,477.30
  6. Step 6: Final answer
    x = 137,372.70

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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.