Home / 166,779.40-230,190.32-153,329.35

Finding the Fourth Proportional to 166,779.40, 230,190.32 and 153,329.35

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Solution

The fourth proportional to 166,779.40, 230,190.32 and 153,329.35 is: 211,626.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,779.40 : 230,190.32 = 153,329.35 : x
  2. Step 2: Convert to fraction form
    166,779.40/230,190.32 = 153,329.35/x
  3. Step 3: Cross multiply
    166,779.40x = 230,190.32 × 153,329.35
  4. Step 4: Simplify right side
    166,779.40x = 35,294,932,141.89
  5. Step 5: Solve for x
    x = 35,294,932,141.89/166,779.40
  6. Step 6: Final answer
    x = 211,626.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.