Home / 211,144.19-291,378.54-114,347.74

Finding the Fourth Proportional to 211,144.19, 291,378.54 and 114,347.74

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Solution

The fourth proportional to 211,144.19, 291,378.54 and 114,347.74 is: 157,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,144.19 : 291,378.54 = 114,347.74 : x
  2. Step 2: Convert to fraction form
    211,144.19/291,378.54 = 114,347.74/x
  3. Step 3: Cross multiply
    211,144.19x = 291,378.54 × 114,347.74
  4. Step 4: Simplify right side
    211,144.19x = 33,318,477,533.50
  5. Step 5: Solve for x
    x = 33,318,477,533.50/211,144.19
  6. Step 6: Final answer
    x = 157,799.64

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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.