Home / 163,761.08-245,684.56-51,436.76

Finding the Fourth Proportional to 163,761.08, 245,684.56 and 51,436.76

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Solution

The fourth proportional to 163,761.08, 245,684.56 and 51,436.76 is: 77,168.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,761.08 : 245,684.56 = 51,436.76 : x
  2. Step 2: Convert to fraction form
    163,761.08/245,684.56 = 51,436.76/x
  3. Step 3: Cross multiply
    163,761.08x = 245,684.56 × 51,436.76
  4. Step 4: Simplify right side
    163,761.08x = 12,637,217,748.43
  5. Step 5: Solve for x
    x = 12,637,217,748.43/163,761.08
  6. Step 6: Final answer
    x = 77,168.63

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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.