Home / 154,750.22-213,648.45-101,124.98

Finding the Fourth Proportional to 154,750.22, 213,648.45 and 101,124.98

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Solution

The fourth proportional to 154,750.22, 213,648.45 and 101,124.98 is: 139,613.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,750.22 : 213,648.45 = 101,124.98 : x
  2. Step 2: Convert to fraction form
    154,750.22/213,648.45 = 101,124.98/x
  3. Step 3: Cross multiply
    154,750.22x = 213,648.45 × 101,124.98
  4. Step 4: Simplify right side
    154,750.22x = 21,605,195,233.28
  5. Step 5: Solve for x
    x = 21,605,195,233.28/154,750.22
  6. Step 6: Final answer
    x = 139,613.34

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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.