Home / 192,139.30-288,036.15-125,611.30

Finding the Fourth Proportional to 192,139.30, 288,036.15 and 125,611.30

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Solution

The fourth proportional to 192,139.30, 288,036.15 and 125,611.30 is: 188,303.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,139.30 : 288,036.15 = 125,611.30 : x
  2. Step 2: Convert to fraction form
    192,139.30/288,036.15 = 125,611.30/x
  3. Step 3: Cross multiply
    192,139.30x = 288,036.15 × 125,611.30
  4. Step 4: Simplify right side
    192,139.30x = 36,180,595,248.50
  5. Step 5: Solve for x
    x = 36,180,595,248.50/192,139.30
  6. Step 6: Final answer
    x = 188,303.98

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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.