Home / 130,098.18-179,530.92-73,508.34

Finding the Fourth Proportional to 130,098.18, 179,530.92 and 73,508.34

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Solution

The fourth proportional to 130,098.18, 179,530.92 and 73,508.34 is: 101,438.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.18 : 179,530.92 = 73,508.34 : x
  2. Step 2: Convert to fraction form
    130,098.18/179,530.92 = 73,508.34/x
  3. Step 3: Cross multiply
    130,098.18x = 179,530.92 × 73,508.34
  4. Step 4: Simplify right side
    130,098.18x = 13,197,019,907.87
  5. Step 5: Solve for x
    x = 13,197,019,907.87/130,098.18
  6. Step 6: Final answer
    x = 101,438.93

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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.