Home / 255,110.76-352,015.70-153,114.57

Finding the Fourth Proportional to 255,110.76, 352,015.70 and 153,114.57

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Solution

The fourth proportional to 255,110.76, 352,015.70 and 153,114.57 is: 211,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,110.76 : 352,015.70 = 153,114.57 : x
  2. Step 2: Convert to fraction form
    255,110.76/352,015.70 = 153,114.57/x
  3. Step 3: Cross multiply
    255,110.76x = 352,015.70 × 153,114.57
  4. Step 4: Simplify right side
    255,110.76x = 53,898,731,773.18
  5. Step 5: Solve for x
    x = 53,898,731,773.18/255,110.76
  6. Step 6: Final answer
    x = 211,275.81

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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.