Home / 170,999.55-235,946.90-107,308.64

Finding the Fourth Proportional to 170,999.55, 235,946.90 and 107,308.64

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Solution

The fourth proportional to 170,999.55, 235,946.90 and 107,308.64 is: 148,065.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.55 : 235,946.90 = 107,308.64 : x
  2. Step 2: Convert to fraction form
    170,999.55/235,946.90 = 107,308.64/x
  3. Step 3: Cross multiply
    170,999.55x = 235,946.90 × 107,308.64
  4. Step 4: Simplify right side
    170,999.55x = 25,319,141,004.54
  5. Step 5: Solve for x
    x = 25,319,141,004.54/170,999.55
  6. Step 6: Final answer
    x = 148,065.54

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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.