Home / 130,049.36-179,468.34-70,433.36

Finding the Fourth Proportional to 130,049.36, 179,468.34 and 70,433.36

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Solution

The fourth proportional to 130,049.36, 179,468.34 and 70,433.36 is: 97,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.36 : 179,468.34 = 70,433.36 : x
  2. Step 2: Convert to fraction form
    130,049.36/179,468.34 = 70,433.36/x
  3. Step 3: Cross multiply
    130,049.36x = 179,468.34 × 70,433.36
  4. Step 4: Simplify right side
    130,049.36x = 12,640,558,199.82
  5. Step 5: Solve for x
    x = 12,640,558,199.82/130,049.36
  6. Step 6: Final answer
    x = 97,198.16

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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.