Home / 126,730.59-174,927.16-73,051.48

Finding the Fourth Proportional to 126,730.59, 174,927.16 and 73,051.48

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Solution

The fourth proportional to 126,730.59, 174,927.16 and 73,051.48 is: 100,833.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,730.59 : 174,927.16 = 73,051.48 : x
  2. Step 2: Convert to fraction form
    126,730.59/174,927.16 = 73,051.48/x
  3. Step 3: Cross multiply
    126,730.59x = 174,927.16 × 73,051.48
  4. Step 4: Simplify right side
    126,730.59x = 12,778,687,930.20
  5. Step 5: Solve for x
    x = 12,778,687,930.20/126,730.59
  6. Step 6: Final answer
    x = 100,833.49

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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.