Home / 236,453.48-326,313.68-129,029.40

Finding the Fourth Proportional to 236,453.48, 326,313.68 and 129,029.40

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Solution

The fourth proportional to 236,453.48, 326,313.68 and 129,029.40 is: 178,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,453.48 : 326,313.68 = 129,029.40 : x
  2. Step 2: Convert to fraction form
    236,453.48/326,313.68 = 129,029.40/x
  3. Step 3: Cross multiply
    236,453.48x = 326,313.68 × 129,029.40
  4. Step 4: Simplify right side
    236,453.48x = 42,104,058,342.19
  5. Step 5: Solve for x
    x = 42,104,058,342.19/236,453.48
  6. Step 6: Final answer
    x = 178,064.87

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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.