Home / 126,394.92-174,417.84-75,465.18

Finding the Fourth Proportional to 126,394.92, 174,417.84 and 75,465.18

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Solution

The fourth proportional to 126,394.92, 174,417.84 and 75,465.18 is: 104,137.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,394.92 : 174,417.84 = 75,465.18 : x
  2. Step 2: Convert to fraction form
    126,394.92/174,417.84 = 75,465.18/x
  3. Step 3: Cross multiply
    126,394.92x = 174,417.84 × 75,465.18
  4. Step 4: Simplify right side
    126,394.92x = 13,162,473,690.81
  5. Step 5: Solve for x
    x = 13,162,473,690.81/126,394.92
  6. Step 6: Final answer
    x = 104,137.68

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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.