Home / 130,259-179,757.42-73,669.16

Finding the Fourth Proportional to 130,259, 179,757.42 and 73,669.16

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Solution

The fourth proportional to 130,259, 179,757.42 and 73,669.16 is: 101,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,259 : 179,757.42 = 73,669.16 : x
  2. Step 2: Convert to fraction form
    130,259/179,757.42 = 73,669.16/x
  3. Step 3: Cross multiply
    130,259x = 179,757.42 × 73,669.16
  4. Step 4: Simplify right side
    130,259x = 13,242,578,135.17
  5. Step 5: Solve for x
    x = 13,242,578,135.17/130,259
  6. Step 6: Final answer
    x = 101,663.44

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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.