Home / 163,819.63-245,702.07-45,502.93

Finding the Fourth Proportional to 163,819.63, 245,702.07 and 45,502.93

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Solution

The fourth proportional to 163,819.63, 245,702.07 and 45,502.93 is: 68,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,819.63 : 245,702.07 = 45,502.93 : x
  2. Step 2: Convert to fraction form
    163,819.63/245,702.07 = 45,502.93/x
  3. Step 3: Cross multiply
    163,819.63x = 245,702.07 × 45,502.93
  4. Step 4: Simplify right side
    163,819.63x = 11,180,164,092.07
  5. Step 5: Solve for x
    x = 11,180,164,092.07/163,819.63
  6. Step 6: Final answer
    x = 68,246.79

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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.