Home / 124,633.56-172,014.06-79,264.24

Finding the Fourth Proportional to 124,633.56, 172,014.06 and 79,264.24

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Solution

The fourth proportional to 124,633.56, 172,014.06 and 79,264.24 is: 109,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,633.56 : 172,014.06 = 79,264.24 : x
  2. Step 2: Convert to fraction form
    124,633.56/172,014.06 = 79,264.24/x
  3. Step 3: Cross multiply
    124,633.56x = 172,014.06 × 79,264.24
  4. Step 4: Simplify right side
    124,633.56x = 13,634,563,735.21
  5. Step 5: Solve for x
    x = 13,634,563,735.21/124,633.56
  6. Step 6: Final answer
    x = 109,397.21

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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.