Home / 211,302.37-291,554.18-125,223.42

Finding the Fourth Proportional to 211,302.37, 291,554.18 and 125,223.42

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Solution

The fourth proportional to 211,302.37, 291,554.18 and 125,223.42 is: 172,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,302.37 : 291,554.18 = 125,223.42 : x
  2. Step 2: Convert to fraction form
    211,302.37/291,554.18 = 125,223.42/x
  3. Step 3: Cross multiply
    211,302.37x = 291,554.18 × 125,223.42
  4. Step 4: Simplify right side
    211,302.37x = 36,509,411,536.08
  5. Step 5: Solve for x
    x = 36,509,411,536.08/211,302.37
  6. Step 6: Final answer
    x = 172,782.78

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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.