Home / 314,629.34-472,355.60-186,779.03

Finding the Fourth Proportional to 314,629.34, 472,355.60 and 186,779.03

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Solution

The fourth proportional to 314,629.34, 472,355.60 and 186,779.03 is: 280,412.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,629.34 : 472,355.60 = 186,779.03 : x
  2. Step 2: Convert to fraction form
    314,629.34/472,355.60 = 186,779.03/x
  3. Step 3: Cross multiply
    314,629.34x = 472,355.60 × 186,779.03
  4. Step 4: Simplify right side
    314,629.34x = 88,226,117,487.39
  5. Step 5: Solve for x
    x = 88,226,117,487.39/314,629.34
  6. Step 6: Final answer
    x = 280,412.88

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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.