Home / 110,431.20-152,390.90-67,482.50

Finding the Fourth Proportional to 110,431.20, 152,390.90 and 67,482.50

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Solution

The fourth proportional to 110,431.20, 152,390.90 and 67,482.50 is: 93,123.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,431.20 : 152,390.90 = 67,482.50 : x
  2. Step 2: Convert to fraction form
    110,431.20/152,390.90 = 67,482.50/x
  3. Step 3: Cross multiply
    110,431.20x = 152,390.90 × 67,482.50
  4. Step 4: Simplify right side
    110,431.20x = 10,283,719,673.75
  5. Step 5: Solve for x
    x = 10,283,719,673.75/110,431.20
  6. Step 6: Final answer
    x = 93,123.32

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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.