Home / 124,802.10-172,226.84-68,213.48

Finding the Fourth Proportional to 124,802.10, 172,226.84 and 68,213.48

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Solution

The fourth proportional to 124,802.10, 172,226.84 and 68,213.48 is: 94,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,802.10 : 172,226.84 = 68,213.48 : x
  2. Step 2: Convert to fraction form
    124,802.10/172,226.84 = 68,213.48/x
  3. Step 3: Cross multiply
    124,802.10x = 172,226.84 × 68,213.48
  4. Step 4: Simplify right side
    124,802.10x = 11,748,190,903.60
  5. Step 5: Solve for x
    x = 11,748,190,903.60/124,802.10
  6. Step 6: Final answer
    x = 94,134.56

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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.