Home / 124,219.23-171,409.67-69,777.51

Finding the Fourth Proportional to 124,219.23, 171,409.67 and 69,777.51

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Solution

The fourth proportional to 124,219.23, 171,409.67 and 69,777.51 is: 96,285.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,219.23 : 171,409.67 = 69,777.51 : x
  2. Step 2: Convert to fraction form
    124,219.23/171,409.67 = 69,777.51/x
  3. Step 3: Cross multiply
    124,219.23x = 171,409.67 × 69,777.51
  4. Step 4: Simplify right side
    124,219.23x = 11,960,539,613.63
  5. Step 5: Solve for x
    x = 11,960,539,613.63/124,219.23
  6. Step 6: Final answer
    x = 96,285.73

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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.