Home / 211,861.65-292,452.39-126,962.31

Finding the Fourth Proportional to 211,861.65, 292,452.39 and 126,962.31

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Solution

The fourth proportional to 211,861.65, 292,452.39 and 126,962.31 is: 175,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,861.65 : 292,452.39 = 126,962.31 : x
  2. Step 2: Convert to fraction form
    211,861.65/292,452.39 = 126,962.31/x
  3. Step 3: Cross multiply
    211,861.65x = 292,452.39 × 126,962.31
  4. Step 4: Simplify right side
    211,861.65x = 37,130,430,999.42
  5. Step 5: Solve for x
    x = 37,130,430,999.42/211,861.65
  6. Step 6: Final answer
    x = 175,257.91

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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.