Home / 126,017.14-173,909.52-75,018.32

Finding the Fourth Proportional to 126,017.14, 173,909.52 and 75,018.32

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Solution

The fourth proportional to 126,017.14, 173,909.52 and 75,018.32 is: 103,528.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,017.14 : 173,909.52 = 75,018.32 : x
  2. Step 2: Convert to fraction form
    126,017.14/173,909.52 = 75,018.32/x
  3. Step 3: Cross multiply
    126,017.14x = 173,909.52 × 75,018.32
  4. Step 4: Simplify right side
    126,017.14x = 13,046,400,022.41
  5. Step 5: Solve for x
    x = 13,046,400,022.41/126,017.14
  6. Step 6: Final answer
    x = 103,528.77

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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.