Home / 118,613.07-163,727.73-73,325.79

Finding the Fourth Proportional to 118,613.07, 163,727.73 and 73,325.79

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Solution

The fourth proportional to 118,613.07, 163,727.73 and 73,325.79 is: 101,215.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613.07 : 163,727.73 = 73,325.79 : x
  2. Step 2: Convert to fraction form
    118,613.07/163,727.73 = 73,325.79/x
  3. Step 3: Cross multiply
    118,613.07x = 163,727.73 × 73,325.79
  4. Step 4: Simplify right side
    118,613.07x = 12,005,465,147.16
  5. Step 5: Solve for x
    x = 12,005,465,147.16/118,613.07
  6. Step 6: Final answer
    x = 101,215.36

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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.