Home / 251,750.23-347,448.50-151,154.71

Finding the Fourth Proportional to 251,750.23, 347,448.50 and 151,154.71

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Solution

The fourth proportional to 251,750.23, 347,448.50 and 151,154.71 is: 208,613.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,750.23 : 347,448.50 = 151,154.71 : x
  2. Step 2: Convert to fraction form
    251,750.23/347,448.50 = 151,154.71/x
  3. Step 3: Cross multiply
    251,750.23x = 347,448.50 × 151,154.71
  4. Step 4: Simplify right side
    251,750.23x = 52,518,476,501.66
  5. Step 5: Solve for x
    x = 52,518,476,501.66/251,750.23
  6. Step 6: Final answer
    x = 208,613.42

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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.