Home / 163,340.61-225,312.27-102,806.16

Finding the Fourth Proportional to 163,340.61, 225,312.27 and 102,806.16

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Solution

The fourth proportional to 163,340.61, 225,312.27 and 102,806.16 is: 141,810.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,340.61 : 225,312.27 = 102,806.16 : x
  2. Step 2: Convert to fraction form
    163,340.61/225,312.27 = 102,806.16/x
  3. Step 3: Cross multiply
    163,340.61x = 225,312.27 × 102,806.16
  4. Step 4: Simplify right side
    163,340.61x = 23,163,489,279.58
  5. Step 5: Solve for x
    x = 23,163,489,279.58/163,340.61
  6. Step 6: Final answer
    x = 141,810.96

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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.