Home / 126,340.92-174,345.96-76,030.20

Finding the Fourth Proportional to 126,340.92, 174,345.96 and 76,030.20

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Solution

The fourth proportional to 126,340.92, 174,345.96 and 76,030.20 is: 104,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,340.92 : 174,345.96 = 76,030.20 : x
  2. Step 2: Convert to fraction form
    126,340.92/174,345.96 = 76,030.20/x
  3. Step 3: Cross multiply
    126,340.92x = 174,345.96 × 76,030.20
  4. Step 4: Simplify right side
    126,340.92x = 13,255,558,207.99
  5. Step 5: Solve for x
    x = 13,255,558,207.99/126,340.92
  6. Step 6: Final answer
    x = 104,918.96

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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.