Home / 170,853.76-235,889.04-152,917.66

Finding the Fourth Proportional to 170,853.76, 235,889.04 and 152,917.66

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Solution

The fourth proportional to 170,853.76, 235,889.04 and 152,917.66 is: 211,125.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,853.76 : 235,889.04 = 152,917.66 : x
  2. Step 2: Convert to fraction form
    170,853.76/235,889.04 = 152,917.66/x
  3. Step 3: Cross multiply
    170,853.76x = 235,889.04 × 152,917.66
  4. Step 4: Simplify right side
    170,853.76x = 36,071,600,016.45
  5. Step 5: Solve for x
    x = 36,071,600,016.45/170,853.76
  6. Step 6: Final answer
    x = 211,125.58

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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.