Home / 193,133.20-289,699.80-163,681.60

Finding the Fourth Proportional to 193,133.20, 289,699.80 and 163,681.60

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Solution

The fourth proportional to 193,133.20, 289,699.80 and 163,681.60 is: 245,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,133.20 : 289,699.80 = 163,681.60 : x
  2. Step 2: Convert to fraction form
    193,133.20/289,699.80 = 163,681.60/x
  3. Step 3: Cross multiply
    193,133.20x = 289,699.80 × 163,681.60
  4. Step 4: Simplify right side
    193,133.20x = 47,418,526,783.68
  5. Step 5: Solve for x
    x = 47,418,526,783.68/193,133.20
  6. Step 6: Final answer
    x = 245,522.40

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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.