Home / 106,015.50-146,240.10-63,549.45

Finding the Fourth Proportional to 106,015.50, 146,240.10 and 63,549.45

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Solution

The fourth proportional to 106,015.50, 146,240.10 and 63,549.45 is: 87,661.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,015.50 : 146,240.10 = 63,549.45 : x
  2. Step 2: Convert to fraction form
    106,015.50/146,240.10 = 63,549.45/x
  3. Step 3: Cross multiply
    106,015.50x = 146,240.10 × 63,549.45
  4. Step 4: Simplify right side
    106,015.50x = 9,293,477,922.95
  5. Step 5: Solve for x
    x = 9,293,477,922.95/106,015.50
  6. Step 6: Final answer
    x = 87,661.50

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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.