Home / 112,185.19-154,812.83-64,441.60

Finding the Fourth Proportional to 112,185.19, 154,812.83 and 64,441.60

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Solution

The fourth proportional to 112,185.19, 154,812.83 and 64,441.60 is: 88,927.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,185.19 : 154,812.83 = 64,441.60 : x
  2. Step 2: Convert to fraction form
    112,185.19/154,812.83 = 64,441.60/x
  3. Step 3: Cross multiply
    112,185.19x = 154,812.83 × 64,441.60
  4. Step 4: Simplify right side
    112,185.19x = 9,976,386,465.73
  5. Step 5: Solve for x
    x = 9,976,386,465.73/112,185.19
  6. Step 6: Final answer
    x = 88,927.84

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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.