Home / 383,221.26-528,820.02-230,168.52

Finding the Fourth Proportional to 383,221.26, 528,820.02 and 230,168.52

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Solution

The fourth proportional to 383,221.26, 528,820.02 and 230,168.52 is: 317,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,221.26 : 528,820.02 = 230,168.52 : x
  2. Step 2: Convert to fraction form
    383,221.26/528,820.02 = 230,168.52/x
  3. Step 3: Cross multiply
    383,221.26x = 528,820.02 × 230,168.52
  4. Step 4: Simplify right side
    383,221.26x = 121,717,721,349.77
  5. Step 5: Solve for x
    x = 121,717,721,349.77/383,221.26
  6. Step 6: Final answer
    x = 317,617.35

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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.