Home / 151,752.41-209,429.92-83,782.47

Finding the Fourth Proportional to 151,752.41, 209,429.92 and 83,782.47

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Solution

The fourth proportional to 151,752.41, 209,429.92 and 83,782.47 is: 115,626.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,752.41 : 209,429.92 = 83,782.47 : x
  2. Step 2: Convert to fraction form
    151,752.41/209,429.92 = 83,782.47/x
  3. Step 3: Cross multiply
    151,752.41x = 209,429.92 × 83,782.47
  4. Step 4: Simplify right side
    151,752.41x = 17,546,556,303.62
  5. Step 5: Solve for x
    x = 17,546,556,303.62/151,752.41
  6. Step 6: Final answer
    x = 115,626.21

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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.