Home / 127,313.29-190,609.08-105,793.21

Finding the Fourth Proportional to 127,313.29, 190,609.08 and 105,793.21

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Solution

The fourth proportional to 127,313.29, 190,609.08 and 105,793.21 is: 158,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,313.29 : 190,609.08 = 105,793.21 : x
  2. Step 2: Convert to fraction form
    127,313.29/190,609.08 = 105,793.21/x
  3. Step 3: Cross multiply
    127,313.29x = 190,609.08 × 105,793.21
  4. Step 4: Simplify right side
    127,313.29x = 20,165,146,428.35
  5. Step 5: Solve for x
    x = 20,165,146,428.35/127,313.29
  6. Step 6: Final answer
    x = 158,389.96

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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.