Home / 150,550.19-207,237.71-130,122.86

Finding the Fourth Proportional to 150,550.19, 207,237.71 and 130,122.86

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Solution

The fourth proportional to 150,550.19, 207,237.71 and 130,122.86 is: 179,118.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,550.19 : 207,237.71 = 130,122.86 : x
  2. Step 2: Convert to fraction form
    150,550.19/207,237.71 = 130,122.86/x
  3. Step 3: Cross multiply
    150,550.19x = 207,237.71 × 130,122.86
  4. Step 4: Simplify right side
    150,550.19x = 26,966,364,368.45
  5. Step 5: Solve for x
    x = 26,966,364,368.45/150,550.19
  6. Step 6: Final answer
    x = 179,118.77

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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.