Home / 140,527.61-193,929.65-75,998.09

Finding the Fourth Proportional to 140,527.61, 193,929.65 and 75,998.09

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Solution

The fourth proportional to 140,527.61, 193,929.65 and 75,998.09 is: 104,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,527.61 : 193,929.65 = 75,998.09 : x
  2. Step 2: Convert to fraction form
    140,527.61/193,929.65 = 75,998.09/x
  3. Step 3: Cross multiply
    140,527.61x = 193,929.65 × 75,998.09
  4. Step 4: Simplify right side
    140,527.61x = 14,738,282,994.37
  5. Step 5: Solve for x
    x = 14,738,282,994.37/140,527.61
  6. Step 6: Final answer
    x = 104,878.20

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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.