Home / 126,162.06-174,095.68-72,409.24

Finding the Fourth Proportional to 126,162.06, 174,095.68 and 72,409.24

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Solution

The fourth proportional to 126,162.06, 174,095.68 and 72,409.24 is: 99,920.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,162.06 : 174,095.68 = 72,409.24 : x
  2. Step 2: Convert to fraction form
    126,162.06/174,095.68 = 72,409.24/x
  3. Step 3: Cross multiply
    126,162.06x = 174,095.68 × 72,409.24
  4. Step 4: Simplify right side
    126,162.06x = 12,606,135,876.08
  5. Step 5: Solve for x
    x = 12,606,135,876.08/126,162.06
  6. Step 6: Final answer
    x = 99,920.18

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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.