Home / 191,512.37-286,894.84-149,194.31

Finding the Fourth Proportional to 191,512.37, 286,894.84 and 149,194.31

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Solution

The fourth proportional to 191,512.37, 286,894.84 and 149,194.31 is: 223,500.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,512.37 : 286,894.84 = 149,194.31 : x
  2. Step 2: Convert to fraction form
    191,512.37/286,894.84 = 149,194.31/x
  3. Step 3: Cross multiply
    191,512.37x = 286,894.84 × 149,194.31
  4. Step 4: Simplify right side
    191,512.37x = 42,803,077,696.36
  5. Step 5: Solve for x
    x = 42,803,077,696.36/191,512.37
  6. Step 6: Final answer
    x = 223,500.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.