Home / 130,170.98-179,633.57-73,582.35

Finding the Fourth Proportional to 130,170.98, 179,633.57 and 73,582.35

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Solution

The fourth proportional to 130,170.98, 179,633.57 and 73,582.35 is: 101,542.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,170.98 : 179,633.57 = 73,582.35 : x
  2. Step 2: Convert to fraction form
    130,170.98/179,633.57 = 73,582.35/x
  3. Step 3: Cross multiply
    130,170.98x = 179,633.57 × 73,582.35
  4. Step 4: Simplify right side
    130,170.98x = 13,217,859,851.58
  5. Step 5: Solve for x
    x = 13,217,859,851.58/130,170.98
  6. Step 6: Final answer
    x = 101,542.30

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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.