Home / 124,783.39-172,200.70-68,194.77

Finding the Fourth Proportional to 124,783.39, 172,200.70 and 68,194.77

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Solution

The fourth proportional to 124,783.39, 172,200.70 and 68,194.77 is: 94,108.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.39 : 172,200.70 = 68,194.77 : x
  2. Step 2: Convert to fraction form
    124,783.39/172,200.70 = 68,194.77/x
  3. Step 3: Cross multiply
    124,783.39x = 172,200.70 × 68,194.77
  4. Step 4: Simplify right side
    124,783.39x = 11,743,187,130.34
  5. Step 5: Solve for x
    x = 11,743,187,130.34/124,783.39
  6. Step 6: Final answer
    x = 94,108.58

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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.