Home / 157,743.96-217,678.37-86,110.13

Finding the Fourth Proportional to 157,743.96, 217,678.37 and 86,110.13

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Solution

The fourth proportional to 157,743.96, 217,678.37 and 86,110.13 is: 118,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,743.96 : 217,678.37 = 86,110.13 : x
  2. Step 2: Convert to fraction form
    157,743.96/217,678.37 = 86,110.13/x
  3. Step 3: Cross multiply
    157,743.96x = 217,678.37 × 86,110.13
  4. Step 4: Simplify right side
    157,743.96x = 18,744,311,219.95
  5. Step 5: Solve for x
    x = 18,744,311,219.95/157,743.96
  6. Step 6: Final answer
    x = 118,827.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.