Home / 130,107.18-179,543.34-73,517.34

Finding the Fourth Proportional to 130,107.18, 179,543.34 and 73,517.34

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Solution

The fourth proportional to 130,107.18, 179,543.34 and 73,517.34 is: 101,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,107.18 : 179,543.34 = 73,517.34 : x
  2. Step 2: Convert to fraction form
    130,107.18/179,543.34 = 73,517.34/x
  3. Step 3: Cross multiply
    130,107.18x = 179,543.34 × 73,517.34
  4. Step 4: Simplify right side
    130,107.18x = 13,199,548,771.52
  5. Step 5: Solve for x
    x = 13,199,548,771.52/130,107.18
  6. Step 6: Final answer
    x = 101,451.35

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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.