Home / 188,783.57-283,166.13-70,445.69

Finding the Fourth Proportional to 188,783.57, 283,166.13 and 70,445.69

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Solution

The fourth proportional to 188,783.57, 283,166.13 and 70,445.69 is: 105,665.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,783.57 : 283,166.13 = 70,445.69 : x
  2. Step 2: Convert to fraction form
    188,783.57/283,166.13 = 70,445.69/x
  3. Step 3: Cross multiply
    188,783.57x = 283,166.13 × 70,445.69
  4. Step 4: Simplify right side
    188,783.57x = 19,947,833,012.76
  5. Step 5: Solve for x
    x = 19,947,833,012.76/188,783.57
  6. Step 6: Final answer
    x = 105,665.09

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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.