Home / 130,778.90-179,908.56-114,573.22

Finding the Fourth Proportional to 130,778.90, 179,908.56 and 114,573.22

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Solution

The fourth proportional to 130,778.90, 179,908.56 and 114,573.22 is: 157,614.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778.90 : 179,908.56 = 114,573.22 : x
  2. Step 2: Convert to fraction form
    130,778.90/179,908.56 = 114,573.22/x
  3. Step 3: Cross multiply
    130,778.90x = 179,908.56 × 114,573.22
  4. Step 4: Simplify right side
    130,778.90x = 20,612,703,024.76
  5. Step 5: Solve for x
    x = 20,612,703,024.76/130,778.90
  6. Step 6: Final answer
    x = 157,614.90

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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.