Home / 140,053.08-193,275.66-76,393.08

Finding the Fourth Proportional to 140,053.08, 193,275.66 and 76,393.08

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Solution

The fourth proportional to 140,053.08, 193,275.66 and 76,393.08 is: 105,423.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,053.08 : 193,275.66 = 76,393.08 : x
  2. Step 2: Convert to fraction form
    140,053.08/193,275.66 = 76,393.08/x
  3. Step 3: Cross multiply
    140,053.08x = 193,275.66 × 76,393.08
  4. Step 4: Simplify right side
    140,053.08x = 14,764,922,956.43
  5. Step 5: Solve for x
    x = 14,764,922,956.43/140,053.08
  6. Step 6: Final answer
    x = 105,423.76

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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.