Home / 113,617.50-156,795.39-63,319.74

Finding the Fourth Proportional to 113,617.50, 156,795.39 and 63,319.74

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Solution

The fourth proportional to 113,617.50, 156,795.39 and 63,319.74 is: 87,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,617.50 : 156,795.39 = 63,319.74 : x
  2. Step 2: Convert to fraction form
    113,617.50/156,795.39 = 63,319.74/x
  3. Step 3: Cross multiply
    113,617.50x = 156,795.39 × 63,319.74
  4. Step 4: Simplify right side
    113,617.50x = 9,928,243,328.00
  5. Step 5: Solve for x
    x = 9,928,243,328.00/113,617.50
  6. Step 6: Final answer
    x = 87,383.05

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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.