Home / 130,763.40-179,887.18-114,557.72

Finding the Fourth Proportional to 130,763.40, 179,887.18 and 114,557.72

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Solution

The fourth proportional to 130,763.40, 179,887.18 and 114,557.72 is: 157,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,763.40 : 179,887.18 = 114,557.72 : x
  2. Step 2: Convert to fraction form
    130,763.40/179,887.18 = 114,557.72/x
  3. Step 3: Cross multiply
    130,763.40x = 179,887.18 × 114,557.72
  4. Step 4: Simplify right side
    130,763.40x = 20,607,465,198.03
  5. Step 5: Solve for x
    x = 20,607,465,198.03/130,763.40
  6. Step 6: Final answer
    x = 157,593.53

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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.