Home / 109,859.25-151,621.95-69,576.75

Finding the Fourth Proportional to 109,859.25, 151,621.95 and 69,576.75

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Solution

The fourth proportional to 109,859.25, 151,621.95 and 69,576.75 is: 96,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,859.25 : 151,621.95 = 69,576.75 : x
  2. Step 2: Convert to fraction form
    109,859.25/151,621.95 = 69,576.75/x
  3. Step 3: Cross multiply
    109,859.25x = 151,621.95 × 69,576.75
  4. Step 4: Simplify right side
    109,859.25x = 10,549,362,509.66
  5. Step 5: Solve for x
    x = 10,549,362,509.66/109,859.25
  6. Step 6: Final answer
    x = 96,026.17

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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.