Home / 113,555.99-156,772.22-75,367.32

Finding the Fourth Proportional to 113,555.99, 156,772.22 and 75,367.32

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Solution

The fourth proportional to 113,555.99, 156,772.22 and 75,367.32 is: 104,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,555.99 : 156,772.22 = 75,367.32 : x
  2. Step 2: Convert to fraction form
    113,555.99/156,772.22 = 75,367.32/x
  3. Step 3: Cross multiply
    113,555.99x = 156,772.22 × 75,367.32
  4. Step 4: Simplify right side
    113,555.99x = 11,815,501,695.01
  5. Step 5: Solve for x
    x = 11,815,501,695.01/113,555.99
  6. Step 6: Final answer
    x = 104,050.01

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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.