Home / 211,199.72-291,455.86-114,403.80

Finding the Fourth Proportional to 211,199.72, 291,455.86 and 114,403.80

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Solution

The fourth proportional to 211,199.72, 291,455.86 and 114,403.80 is: 157,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,199.72 : 291,455.86 = 114,403.80 : x
  2. Step 2: Convert to fraction form
    211,199.72/291,455.86 = 114,403.80/x
  3. Step 3: Cross multiply
    211,199.72x = 291,455.86 × 114,403.80
  4. Step 4: Simplify right side
    211,199.72x = 33,343,657,916.27
  5. Step 5: Solve for x
    x = 33,343,657,916.27/211,199.72
  6. Step 6: Final answer
    x = 157,877.38

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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.