Home / 130,192.32-179,663.03-73,603.71

Finding the Fourth Proportional to 130,192.32, 179,663.03 and 73,603.71

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Solution

The fourth proportional to 130,192.32, 179,663.03 and 73,603.71 is: 101,571.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,192.32 : 179,663.03 = 73,603.71 : x
  2. Step 2: Convert to fraction form
    130,192.32/179,663.03 = 73,603.71/x
  3. Step 3: Cross multiply
    130,192.32x = 179,663.03 × 73,603.71
  4. Step 4: Simplify right side
    130,192.32x = 13,223,865,189.82
  5. Step 5: Solve for x
    x = 13,223,865,189.82/130,192.32
  6. Step 6: Final answer
    x = 101,571.78

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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.