Home / 211,107.44-291,328.72-114,312.36

Finding the Fourth Proportional to 211,107.44, 291,328.72 and 114,312.36

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Solution

The fourth proportional to 211,107.44, 291,328.72 and 114,312.36 is: 157,751.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,107.44 : 291,328.72 = 114,312.36 : x
  2. Step 2: Convert to fraction form
    211,107.44/291,328.72 = 114,312.36/x
  3. Step 3: Cross multiply
    211,107.44x = 291,328.72 × 114,312.36
  4. Step 4: Simplify right side
    211,107.44x = 33,302,473,518.98
  5. Step 5: Solve for x
    x = 33,302,473,518.98/211,107.44
  6. Step 6: Final answer
    x = 157,751.30

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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.