Home / 124,516.66-171,809.49-74,220.34

Finding the Fourth Proportional to 124,516.66, 171,809.49 and 74,220.34

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Solution

The fourth proportional to 124,516.66, 171,809.49 and 74,220.34 is: 102,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,516.66 : 171,809.49 = 74,220.34 : x
  2. Step 2: Convert to fraction form
    124,516.66/171,809.49 = 74,220.34/x
  3. Step 3: Cross multiply
    124,516.66x = 171,809.49 × 74,220.34
  4. Step 4: Simplify right side
    124,516.66x = 12,751,758,763.03
  5. Step 5: Solve for x
    x = 12,751,758,763.03/124,516.66
  6. Step 6: Final answer
    x = 102,410.06

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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.