Home / 140,521.98-193,924.94-76,859.77

Finding the Fourth Proportional to 140,521.98, 193,924.94 and 76,859.77

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Solution

The fourth proportional to 140,521.98, 193,924.94 and 76,859.77 is: 106,069.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,521.98 : 193,924.94 = 76,859.77 : x
  2. Step 2: Convert to fraction form
    140,521.98/193,924.94 = 76,859.77/x
  3. Step 3: Cross multiply
    140,521.98x = 193,924.94 × 76,859.77
  4. Step 4: Simplify right side
    140,521.98x = 14,905,026,285.66
  5. Step 5: Solve for x
    x = 14,905,026,285.66/140,521.98
  6. Step 6: Final answer
    x = 106,069.00

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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.