Home / 105,955.40-146,226.66-60,647.60

Finding the Fourth Proportional to 105,955.40, 146,226.66 and 60,647.60

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Solution

The fourth proportional to 105,955.40, 146,226.66 and 60,647.60 is: 83,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,955.40 : 146,226.66 = 60,647.60 : x
  2. Step 2: Convert to fraction form
    105,955.40/146,226.66 = 60,647.60/x
  3. Step 3: Cross multiply
    105,955.40x = 146,226.66 × 60,647.60
  4. Step 4: Simplify right side
    105,955.40x = 8,868,296,123.15
  5. Step 5: Solve for x
    x = 8,868,296,123.15/105,955.40
  6. Step 6: Final answer
    x = 83,698.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.