Home / 130,118.92-195,045.45-73,840.17

Finding the Fourth Proportional to 130,118.92, 195,045.45 and 73,840.17

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Solution

The fourth proportional to 130,118.92, 195,045.45 and 73,840.17 is: 110,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,118.92 : 195,045.45 = 73,840.17 : x
  2. Step 2: Convert to fraction form
    130,118.92/195,045.45 = 73,840.17/x
  3. Step 3: Cross multiply
    130,118.92x = 195,045.45 × 73,840.17
  4. Step 4: Simplify right side
    130,118.92x = 14,402,189,185.73
  5. Step 5: Solve for x
    x = 14,402,189,185.73/130,118.92
  6. Step 6: Final answer
    x = 110,684.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.