Home / 130,170.47-179,630.34-73,583.06

Finding the Fourth Proportional to 130,170.47, 179,630.34 and 73,583.06

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Solution

The fourth proportional to 130,170.47, 179,630.34 and 73,583.06 is: 101,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170.47 : 179,630.34 = 73,583.06 : x
  2. Step 2: Convert to fraction form
    130,170.47/179,630.34 = 73,583.06/x
  3. Step 3: Cross multiply
    130,170.47x = 179,630.34 × 73,583.06
  4. Step 4: Simplify right side
    130,170.47x = 13,217,750,086.04
  5. Step 5: Solve for x
    x = 13,217,750,086.04/130,170.47
  6. Step 6: Final answer
    x = 101,541.85

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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.