Home / 140,233.86-193,530.60-76,577.58

Finding the Fourth Proportional to 140,233.86, 193,530.60 and 76,577.58

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Solution

The fourth proportional to 140,233.86, 193,530.60 and 76,577.58 is: 105,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,233.86 : 193,530.60 = 76,577.58 : x
  2. Step 2: Convert to fraction form
    140,233.86/193,530.60 = 76,577.58/x
  3. Step 3: Cross multiply
    140,233.86x = 193,530.60 × 76,577.58
  4. Step 4: Simplify right side
    140,233.86x = 14,820,105,003.95
  5. Step 5: Solve for x
    x = 14,820,105,003.95/140,233.86
  6. Step 6: Final answer
    x = 105,681.36

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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.