Home / 140,444.72-193,814.40-76,782.53

Finding the Fourth Proportional to 140,444.72, 193,814.40 and 76,782.53

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Solution

The fourth proportional to 140,444.72, 193,814.40 and 76,782.53 is: 105,960.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,444.72 : 193,814.40 = 76,782.53 : x
  2. Step 2: Convert to fraction form
    140,444.72/193,814.40 = 76,782.53/x
  3. Step 3: Cross multiply
    140,444.72x = 193,814.40 × 76,782.53
  4. Step 4: Simplify right side
    140,444.72x = 14,881,560,754.90
  5. Step 5: Solve for x
    x = 14,881,560,754.90/140,444.72
  6. Step 6: Final answer
    x = 105,960.27

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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.