Home / 146,103.90-219,415.05-112,904.70

Finding the Fourth Proportional to 146,103.90, 219,415.05 and 112,904.70

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Solution

The fourth proportional to 146,103.90, 219,415.05 and 112,904.70 is: 169,557.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,103.90 : 219,415.05 = 112,904.70 : x
  2. Step 2: Convert to fraction form
    146,103.90/219,415.05 = 112,904.70/x
  3. Step 3: Cross multiply
    146,103.90x = 219,415.05 × 112,904.70
  4. Step 4: Simplify right side
    146,103.90x = 24,772,990,395.74
  5. Step 5: Solve for x
    x = 24,772,990,395.74/146,103.90
  6. Step 6: Final answer
    x = 169,557.35

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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.