Home / 188,435.10-282,652.65-70,081.95

Finding the Fourth Proportional to 188,435.10, 282,652.65 and 70,081.95

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Solution

The fourth proportional to 188,435.10, 282,652.65 and 70,081.95 is: 105,122.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,435.10 : 282,652.65 = 70,081.95 : x
  2. Step 2: Convert to fraction form
    188,435.10/282,652.65 = 70,081.95/x
  3. Step 3: Cross multiply
    188,435.10x = 282,652.65 × 70,081.95
  4. Step 4: Simplify right side
    188,435.10x = 19,808,848,884.67
  5. Step 5: Solve for x
    x = 19,808,848,884.67/188,435.10
  6. Step 6: Final answer
    x = 105,122.93

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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.