Home / 147,946.75-221,921.74-42,766.63

Finding the Fourth Proportional to 147,946.75, 221,921.74 and 42,766.63

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Solution

The fourth proportional to 147,946.75, 221,921.74 and 42,766.63 is: 64,150.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,946.75 : 221,921.74 = 42,766.63 : x
  2. Step 2: Convert to fraction form
    147,946.75/221,921.74 = 42,766.63/x
  3. Step 3: Cross multiply
    147,946.75x = 221,921.74 × 42,766.63
  4. Step 4: Simplify right side
    147,946.75x = 9,490,843,833.93
  5. Step 5: Solve for x
    x = 9,490,843,833.93/147,946.75
  6. Step 6: Final answer
    x = 64,150.41

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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.