Home / 109,238.68-163,811.64-46,087.12

Finding the Fourth Proportional to 109,238.68, 163,811.64 and 46,087.12

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Solution

The fourth proportional to 109,238.68, 163,811.64 and 46,087.12 is: 69,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,238.68 : 163,811.64 = 46,087.12 : x
  2. Step 2: Convert to fraction form
    109,238.68/163,811.64 = 46,087.12/x
  3. Step 3: Cross multiply
    109,238.68x = 163,811.64 × 46,087.12
  4. Step 4: Simplify right side
    109,238.68x = 7,549,606,710.08
  5. Step 5: Solve for x
    x = 7,549,606,710.08/109,238.68
  6. Step 6: Final answer
    x = 69,111.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.