Home / 146,421.60-219,381.42-98,300.07

Finding the Fourth Proportional to 146,421.60, 219,381.42 and 98,300.07

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Solution

The fourth proportional to 146,421.60, 219,381.42 and 98,300.07 is: 147,281.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,421.60 : 219,381.42 = 98,300.07 : x
  2. Step 2: Convert to fraction form
    146,421.60/219,381.42 = 98,300.07/x
  3. Step 3: Cross multiply
    146,421.60x = 219,381.42 × 98,300.07
  4. Step 4: Simplify right side
    146,421.60x = 21,565,208,942.70
  5. Step 5: Solve for x
    x = 21,565,208,942.70/146,421.60
  6. Step 6: Final answer
    x = 147,281.61

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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.