Home / 236,453.99-326,314.38-129,029.92

Finding the Fourth Proportional to 236,453.99, 326,314.38 and 129,029.92

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Solution

The fourth proportional to 236,453.99, 326,314.38 and 129,029.92 is: 178,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,453.99 : 326,314.38 = 129,029.92 : x
  2. Step 2: Convert to fraction form
    236,453.99/326,314.38 = 129,029.92/x
  3. Step 3: Cross multiply
    236,453.99x = 326,314.38 × 129,029.92
  4. Step 4: Simplify right side
    236,453.99x = 42,104,316,714.68
  5. Step 5: Solve for x
    x = 42,104,316,714.68/236,453.99
  6. Step 6: Final answer
    x = 178,065.58

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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.