Home / 163,422.15-245,147.36-45,093.50

Finding the Fourth Proportional to 163,422.15, 245,147.36 and 45,093.50

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Solution

The fourth proportional to 163,422.15, 245,147.36 and 45,093.50 is: 67,644.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,422.15 : 245,147.36 = 45,093.50 : x
  2. Step 2: Convert to fraction form
    163,422.15/245,147.36 = 45,093.50/x
  3. Step 3: Cross multiply
    163,422.15x = 245,147.36 × 45,093.50
  4. Step 4: Simplify right side
    163,422.15x = 11,054,551,026.96
  5. Step 5: Solve for x
    x = 11,054,551,026.96/163,422.15
  6. Step 6: Final answer
    x = 67,644.14

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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.