Home / 191,114.32-262,860.96-153,305.68

Finding the Fourth Proportional to 191,114.32, 262,860.96 and 153,305.68

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Solution

The fourth proportional to 191,114.32, 262,860.96 and 153,305.68 is: 210,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,114.32 : 262,860.96 = 153,305.68 : x
  2. Step 2: Convert to fraction form
    191,114.32/262,860.96 = 153,305.68/x
  3. Step 3: Cross multiply
    191,114.32x = 262,860.96 × 153,305.68
  4. Step 4: Simplify right side
    191,114.32x = 40,298,078,218.25
  5. Step 5: Solve for x
    x = 40,298,078,218.25/191,114.32
  6. Step 6: Final answer
    x = 210,858.50

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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.