Home / 163,075.50-225,044.60-95,139.18

Finding the Fourth Proportional to 163,075.50, 225,044.60 and 95,139.18

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Solution

The fourth proportional to 163,075.50, 225,044.60 and 95,139.18 is: 131,292.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,075.50 : 225,044.60 = 95,139.18 : x
  2. Step 2: Convert to fraction form
    163,075.50/225,044.60 = 95,139.18/x
  3. Step 3: Cross multiply
    163,075.50x = 225,044.60 × 95,139.18
  4. Step 4: Simplify right side
    163,075.50x = 21,410,558,231.73
  5. Step 5: Solve for x
    x = 21,410,558,231.73/163,075.50
  6. Step 6: Final answer
    x = 131,292.30

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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.