Home / 193,360.14-289,970.72-66,966.35

Finding the Fourth Proportional to 193,360.14, 289,970.72 and 66,966.35

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Solution

The fourth proportional to 193,360.14, 289,970.72 and 66,966.35 is: 100,425.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,360.14 : 289,970.72 = 66,966.35 : x
  2. Step 2: Convert to fraction form
    193,360.14/289,970.72 = 66,966.35/x
  3. Step 3: Cross multiply
    193,360.14x = 289,970.72 × 66,966.35
  4. Step 4: Simplify right side
    193,360.14x = 19,418,280,725.27
  5. Step 5: Solve for x
    x = 19,418,280,725.27/193,360.14
  6. Step 6: Final answer
    x = 100,425.46

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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.