Home / 109,807.75-151,550.95-69,525.26

Finding the Fourth Proportional to 109,807.75, 151,550.95 and 69,525.26

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Solution

The fourth proportional to 109,807.75, 151,550.95 and 69,525.26 is: 95,955.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,807.75 : 151,550.95 = 69,525.26 : x
  2. Step 2: Convert to fraction form
    109,807.75/151,550.95 = 69,525.26/x
  3. Step 3: Cross multiply
    109,807.75x = 151,550.95 × 69,525.26
  4. Step 4: Simplify right side
    109,807.75x = 10,536,619,395.34
  5. Step 5: Solve for x
    x = 10,536,619,395.34/109,807.75
  6. Step 6: Final answer
    x = 95,955.15

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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.