Home / 146,731.72-220,113-46,868.44

Finding the Fourth Proportional to 146,731.72, 220,113 and 46,868.44

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Solution

The fourth proportional to 146,731.72, 220,113 and 46,868.44 is: 70,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,731.72 : 220,113 = 46,868.44 : x
  2. Step 2: Convert to fraction form
    146,731.72/220,113 = 46,868.44/x
  3. Step 3: Cross multiply
    146,731.72x = 220,113 × 46,868.44
  4. Step 4: Simplify right side
    146,731.72x = 10,316,352,933.72
  5. Step 5: Solve for x
    x = 10,316,352,933.72/146,731.72
  6. Step 6: Final answer
    x = 70,307.59

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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.