Home / 113,743.58-156,969.51-63,441.50

Finding the Fourth Proportional to 113,743.58, 156,969.51 and 63,441.50

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Solution

The fourth proportional to 113,743.58, 156,969.51 and 63,441.50 is: 87,551.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,743.58 : 156,969.51 = 63,441.50 : x
  2. Step 2: Convert to fraction form
    113,743.58/156,969.51 = 63,441.50/x
  3. Step 3: Cross multiply
    113,743.58x = 156,969.51 × 63,441.50
  4. Step 4: Simplify right side
    113,743.58x = 9,958,381,168.67
  5. Step 5: Solve for x
    x = 9,958,381,168.67/113,743.58
  6. Step 6: Final answer
    x = 87,551.15

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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.