Home / 146,938.60-219,947.10-105,466.60

Finding the Fourth Proportional to 146,938.60, 219,947.10 and 105,466.60

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Solution

The fourth proportional to 146,938.60, 219,947.10 and 105,466.60 is: 157,869.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,938.60 : 219,947.10 = 105,466.60 : x
  2. Step 2: Convert to fraction form
    146,938.60/219,947.10 = 105,466.60/x
  3. Step 3: Cross multiply
    146,938.60x = 219,947.10 × 105,466.60
  4. Step 4: Simplify right side
    146,938.60x = 23,197,072,816.86
  5. Step 5: Solve for x
    x = 23,197,072,816.86/146,938.60
  6. Step 6: Final answer
    x = 157,869.16

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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.