Home / 213,909.81-295,199.02-117,112.03

Finding the Fourth Proportional to 213,909.81, 295,199.02 and 117,112.03

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Solution

The fourth proportional to 213,909.81, 295,199.02 and 117,112.03 is: 161,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,909.81 : 295,199.02 = 117,112.03 : x
  2. Step 2: Convert to fraction form
    213,909.81/295,199.02 = 117,112.03/x
  3. Step 3: Cross multiply
    213,909.81x = 295,199.02 × 117,112.03
  4. Step 4: Simplify right side
    213,909.81x = 34,571,356,486.21
  5. Step 5: Solve for x
    x = 34,571,356,486.21/213,909.81
  6. Step 6: Final answer
    x = 161,616.51

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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.