Home / 105,606.08-158,409.46-26,720.30

Finding the Fourth Proportional to 105,606.08, 158,409.46 and 26,720.30

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Solution

The fourth proportional to 105,606.08, 158,409.46 and 26,720.30 is: 40,080.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,606.08 : 158,409.46 = 26,720.30 : x
  2. Step 2: Convert to fraction form
    105,606.08/158,409.46 = 26,720.30/x
  3. Step 3: Cross multiply
    105,606.08x = 158,409.46 × 26,720.30
  4. Step 4: Simplify right side
    105,606.08x = 4,232,748,294.04
  5. Step 5: Solve for x
    x = 4,232,748,294.04/105,606.08
  6. Step 6: Final answer
    x = 40,080.54

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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.