Home / 112,184.19-154,811.45-64,440.60

Finding the Fourth Proportional to 112,184.19, 154,811.45 and 64,440.60

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Solution

The fourth proportional to 112,184.19, 154,811.45 and 64,440.60 is: 88,926.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,184.19 : 154,811.45 = 64,440.60 : x
  2. Step 2: Convert to fraction form
    112,184.19/154,811.45 = 64,440.60/x
  3. Step 3: Cross multiply
    112,184.19x = 154,811.45 × 64,440.60
  4. Step 4: Simplify right side
    112,184.19x = 9,976,142,305.43
  5. Step 5: Solve for x
    x = 9,976,142,305.43/112,184.19
  6. Step 6: Final answer
    x = 88,926.45

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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.