Home / 140,190.93-193,462.47-76,528.71

Finding the Fourth Proportional to 140,190.93, 193,462.47 and 76,528.71

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Solution

The fourth proportional to 140,190.93, 193,462.47 and 76,528.71 is: 105,609.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,190.93 : 193,462.47 = 76,528.71 : x
  2. Step 2: Convert to fraction form
    140,190.93/193,462.47 = 76,528.71/x
  3. Step 3: Cross multiply
    140,190.93x = 193,462.47 × 76,528.71
  4. Step 4: Simplify right side
    140,190.93x = 14,805,433,262.51
  5. Step 5: Solve for x
    x = 14,805,433,262.51/140,190.93
  6. Step 6: Final answer
    x = 105,609.07

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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.