Home / 103,225.20-154,859.40-33,111.60

Finding the Fourth Proportional to 103,225.20, 154,859.40 and 33,111.60

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Solution

The fourth proportional to 103,225.20, 154,859.40 and 33,111.60 is: 49,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,225.20 : 154,859.40 = 33,111.60 : x
  2. Step 2: Convert to fraction form
    103,225.20/154,859.40 = 33,111.60/x
  3. Step 3: Cross multiply
    103,225.20x = 154,859.40 × 33,111.60
  4. Step 4: Simplify right side
    103,225.20x = 5,127,642,509.04
  5. Step 5: Solve for x
    x = 5,127,642,509.04/103,225.20
  6. Step 6: Final answer
    x = 49,674.33

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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.