Home / 163,580.16-245,370.28-51,260.36

Finding the Fourth Proportional to 163,580.16, 245,370.28 and 51,260.36

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Solution

The fourth proportional to 163,580.16, 245,370.28 and 51,260.36 is: 76,890.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,580.16 : 245,370.28 = 51,260.36 : x
  2. Step 2: Convert to fraction form
    163,580.16/245,370.28 = 51,260.36/x
  3. Step 3: Cross multiply
    163,580.16x = 245,370.28 × 51,260.36
  4. Step 4: Simplify right side
    163,580.16x = 12,577,768,144.52
  5. Step 5: Solve for x
    x = 12,577,768,144.52/163,580.16
  6. Step 6: Final answer
    x = 76,890.55

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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.