Home / 105,966.08-158,856.96-40,348.16

Finding the Fourth Proportional to 105,966.08, 158,856.96 and 40,348.16

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Solution

The fourth proportional to 105,966.08, 158,856.96 and 40,348.16 is: 60,487.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,966.08 : 158,856.96 = 40,348.16 : x
  2. Step 2: Convert to fraction form
    105,966.08/158,856.96 = 40,348.16/x
  3. Step 3: Cross multiply
    105,966.08x = 158,856.96 × 40,348.16
  4. Step 4: Simplify right side
    105,966.08x = 6,409,586,039.19
  5. Step 5: Solve for x
    x = 6,409,586,039.19/105,966.08
  6. Step 6: Final answer
    x = 60,487.15

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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.