Home / 127,639.75-191,547.12-44,533.75

Finding the Fourth Proportional to 127,639.75, 191,547.12 and 44,533.75

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Solution

The fourth proportional to 127,639.75, 191,547.12 and 44,533.75 is: 66,831.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,639.75 : 191,547.12 = 44,533.75 : x
  2. Step 2: Convert to fraction form
    127,639.75/191,547.12 = 44,533.75/x
  3. Step 3: Cross multiply
    127,639.75x = 191,547.12 × 44,533.75
  4. Step 4: Simplify right side
    127,639.75x = 8,530,311,555.30
  5. Step 5: Solve for x
    x = 8,530,311,555.30/127,639.75
  6. Step 6: Final answer
    x = 66,831.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.