Home / 105,339.87-158,025.54-38,774.94

Finding the Fourth Proportional to 105,339.87, 158,025.54 and 38,774.94

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Solution

The fourth proportional to 105,339.87, 158,025.54 and 38,774.94 is: 58,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,339.87 : 158,025.54 = 38,774.94 : x
  2. Step 2: Convert to fraction form
    105,339.87/158,025.54 = 38,774.94/x
  3. Step 3: Cross multiply
    105,339.87x = 158,025.54 × 38,774.94
  4. Step 4: Simplify right side
    105,339.87x = 6,127,430,831.97
  5. Step 5: Solve for x
    x = 6,127,430,831.97/105,339.87
  6. Step 6: Final answer
    x = 58,168.20

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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.