Home / 191,427.60-263,896.32-134,662.80

Finding the Fourth Proportional to 191,427.60, 263,896.32 and 134,662.80

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Solution

The fourth proportional to 191,427.60, 263,896.32 and 134,662.80 is: 185,642.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,427.60 : 263,896.32 = 134,662.80 : x
  2. Step 2: Convert to fraction form
    191,427.60/263,896.32 = 134,662.80/x
  3. Step 3: Cross multiply
    191,427.60x = 263,896.32 × 134,662.80
  4. Step 4: Simplify right side
    191,427.60x = 35,537,017,360.90
  5. Step 5: Solve for x
    x = 35,537,017,360.90/191,427.60
  6. Step 6: Final answer
    x = 185,642.08

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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.