Home / 146,156.90-201,713.54-121,584.30

Finding the Fourth Proportional to 146,156.90, 201,713.54 and 121,584.30

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Solution

The fourth proportional to 146,156.90, 201,713.54 and 121,584.30 is: 167,800.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,156.90 : 201,713.54 = 121,584.30 : x
  2. Step 2: Convert to fraction form
    146,156.90/201,713.54 = 121,584.30/x
  3. Step 3: Cross multiply
    146,156.90x = 201,713.54 × 121,584.30
  4. Step 4: Simplify right side
    146,156.90x = 24,525,198,953.50
  5. Step 5: Solve for x
    x = 24,525,198,953.50/146,156.90
  6. Step 6: Final answer
    x = 167,800.49

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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.