Home / 105,235.20-157,622.40-93,561.60

Finding the Fourth Proportional to 105,235.20, 157,622.40 and 93,561.60

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Solution

The fourth proportional to 105,235.20, 157,622.40 and 93,561.60 is: 140,137.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,235.20 : 157,622.40 = 93,561.60 : x
  2. Step 2: Convert to fraction form
    105,235.20/157,622.40 = 93,561.60/x
  3. Step 3: Cross multiply
    105,235.20x = 157,622.40 × 93,561.60
  4. Step 4: Simplify right side
    105,235.20x = 14,747,403,939.84
  5. Step 5: Solve for x
    x = 14,747,403,939.84/105,235.20
  6. Step 6: Final answer
    x = 140,137.56

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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.