Home / 112,186.94-168,275.72-45,624.50

Finding the Fourth Proportional to 112,186.94, 168,275.72 and 45,624.50

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Solution

The fourth proportional to 112,186.94, 168,275.72 and 45,624.50 is: 68,434.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,186.94 : 168,275.72 = 45,624.50 : x
  2. Step 2: Convert to fraction form
    112,186.94/168,275.72 = 45,624.50/x
  3. Step 3: Cross multiply
    112,186.94x = 168,275.72 × 45,624.50
  4. Step 4: Simplify right side
    112,186.94x = 7,677,495,587.14
  5. Step 5: Solve for x
    x = 7,677,495,587.14/112,186.94
  6. Step 6: Final answer
    x = 68,434.84

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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.