Home / 188,258-282,327.12-61,869.08

Finding the Fourth Proportional to 188,258, 282,327.12 and 61,869.08

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Solution

The fourth proportional to 188,258, 282,327.12 and 61,869.08 is: 92,783.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,258 : 282,327.12 = 61,869.08 : x
  2. Step 2: Convert to fraction form
    188,258/282,327.12 = 61,869.08/x
  3. Step 3: Cross multiply
    188,258x = 282,327.12 × 61,869.08
  4. Step 4: Simplify right side
    188,258x = 17,467,319,173.45
  5. Step 5: Solve for x
    x = 17,467,319,173.45/188,258
  6. Step 6: Final answer
    x = 92,783.94

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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.