Home / 211,440.59-291,505.71-167,977.34

Finding the Fourth Proportional to 211,440.59, 291,505.71 and 167,977.34

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Solution

The fourth proportional to 211,440.59, 291,505.71 and 167,977.34 is: 231,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,440.59 : 291,505.71 = 167,977.34 : x
  2. Step 2: Convert to fraction form
    211,440.59/291,505.71 = 167,977.34/x
  3. Step 3: Cross multiply
    211,440.59x = 291,505.71 × 167,977.34
  4. Step 4: Simplify right side
    211,440.59x = 48,966,352,303.08
  5. Step 5: Solve for x
    x = 48,966,352,303.08/211,440.59
  6. Step 6: Final answer
    x = 231,584.45

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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.