Home / 163,276.50-225,427.83-99,651.18

Finding the Fourth Proportional to 163,276.50, 225,427.83 and 99,651.18

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Solution

The fourth proportional to 163,276.50, 225,427.83 and 99,651.18 is: 137,583.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,276.50 : 225,427.83 = 99,651.18 : x
  2. Step 2: Convert to fraction form
    163,276.50/225,427.83 = 99,651.18/x
  3. Step 3: Cross multiply
    163,276.50x = 225,427.83 × 99,651.18
  4. Step 4: Simplify right side
    163,276.50x = 22,464,149,264.34
  5. Step 5: Solve for x
    x = 22,464,149,264.34/163,276.50
  6. Step 6: Final answer
    x = 137,583.48

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1.5x scale

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.