Home / 140,307.18-193,628.17-76,649.08

Finding the Fourth Proportional to 140,307.18, 193,628.17 and 76,649.08

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Solution

The fourth proportional to 140,307.18, 193,628.17 and 76,649.08 is: 105,778.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,307.18 : 193,628.17 = 76,649.08 : x
  2. Step 2: Convert to fraction form
    140,307.18/193,628.17 = 76,649.08/x
  3. Step 3: Cross multiply
    140,307.18x = 193,628.17 × 76,649.08
  4. Step 4: Simplify right side
    140,307.18x = 14,841,421,092.58
  5. Step 5: Solve for x
    x = 14,841,421,092.58/140,307.18
  6. Step 6: Final answer
    x = 105,778.06

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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.