Home / 185,349.24-255,782.88-100,465.56

Finding the Fourth Proportional to 185,349.24, 255,782.88 and 100,465.56

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Solution

The fourth proportional to 185,349.24, 255,782.88 and 100,465.56 is: 138,642.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,349.24 : 255,782.88 = 100,465.56 : x
  2. Step 2: Convert to fraction form
    185,349.24/255,782.88 = 100,465.56/x
  3. Step 3: Cross multiply
    185,349.24x = 255,782.88 × 100,465.56
  4. Step 4: Simplify right side
    185,349.24x = 25,697,370,277.61
  5. Step 5: Solve for x
    x = 25,697,370,277.61/185,349.24
  6. Step 6: Final answer
    x = 138,642.98

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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.