Home / 146,019.60-219,029.40-99,363.60

Finding the Fourth Proportional to 146,019.60, 219,029.40 and 99,363.60

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Solution

The fourth proportional to 146,019.60, 219,029.40 and 99,363.60 is: 149,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,019.60 : 219,029.40 = 99,363.60 : x
  2. Step 2: Convert to fraction form
    146,019.60/219,029.40 = 99,363.60/x
  3. Step 3: Cross multiply
    146,019.60x = 219,029.40 × 99,363.60
  4. Step 4: Simplify right side
    146,019.60x = 21,763,549,689.84
  5. Step 5: Solve for x
    x = 21,763,549,689.84/146,019.60
  6. Step 6: Final answer
    x = 149,045.40

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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.