Home / 193,235.20-289,852.80-130,566.40

Finding the Fourth Proportional to 193,235.20, 289,852.80 and 130,566.40

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Solution

The fourth proportional to 193,235.20, 289,852.80 and 130,566.40 is: 195,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,235.20 : 289,852.80 = 130,566.40 : x
  2. Step 2: Convert to fraction form
    193,235.20/289,852.80 = 130,566.40/x
  3. Step 3: Cross multiply
    193,235.20x = 289,852.80 × 130,566.40
  4. Step 4: Simplify right side
    193,235.20x = 37,845,036,625.92
  5. Step 5: Solve for x
    x = 37,845,036,625.92/193,235.20
  6. Step 6: Final answer
    x = 195,849.60

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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.