Home / 163,749.60-245,624.40-162,712.80

Finding the Fourth Proportional to 163,749.60, 245,624.40 and 162,712.80

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Solution

The fourth proportional to 163,749.60, 245,624.40 and 162,712.80 is: 244,069.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,749.60 : 245,624.40 = 162,712.80 : x
  2. Step 2: Convert to fraction form
    163,749.60/245,624.40 = 162,712.80/x
  3. Step 3: Cross multiply
    163,749.60x = 245,624.40 × 162,712.80
  4. Step 4: Simplify right side
    163,749.60x = 39,966,233,872.32
  5. Step 5: Solve for x
    x = 39,966,233,872.32/163,749.60
  6. Step 6: Final answer
    x = 244,069.20

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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.