Home / 130,381.65-180,255.73-96,336.44

Finding the Fourth Proportional to 130,381.65, 180,255.73 and 96,336.44

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Solution

The fourth proportional to 130,381.65, 180,255.73 and 96,336.44 is: 133,187.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,381.65 : 180,255.73 = 96,336.44 : x
  2. Step 2: Convert to fraction form
    130,381.65/180,255.73 = 96,336.44/x
  3. Step 3: Cross multiply
    130,381.65x = 180,255.73 × 96,336.44
  4. Step 4: Simplify right side
    130,381.65x = 17,365,195,032.27
  5. Step 5: Solve for x
    x = 17,365,195,032.27/130,381.65
  6. Step 6: Final answer
    x = 133,187.42

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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.