Home / 130,174.80-179,640.24-73,586.16

Finding the Fourth Proportional to 130,174.80, 179,640.24 and 73,586.16

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Solution

The fourth proportional to 130,174.80, 179,640.24 and 73,586.16 is: 101,548.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,174.80 : 179,640.24 = 73,586.16 : x
  2. Step 2: Convert to fraction form
    130,174.80/179,640.24 = 73,586.16/x
  3. Step 3: Cross multiply
    130,174.80x = 179,640.24 × 73,586.16
  4. Step 4: Simplify right side
    130,174.80x = 13,219,035,443.08
  5. Step 5: Solve for x
    x = 13,219,035,443.08/130,174.80
  6. Step 6: Final answer
    x = 101,548.34

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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.