Home / 236,856.64-326,858.25-129,424.37

Finding the Fourth Proportional to 236,856.64, 326,858.25 and 129,424.37

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Solution

The fourth proportional to 236,856.64, 326,858.25 and 129,424.37 is: 178,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,856.64 : 326,858.25 = 129,424.37 : x
  2. Step 2: Convert to fraction form
    236,856.64/326,858.25 = 129,424.37/x
  3. Step 3: Cross multiply
    236,856.64x = 326,858.25 × 129,424.37
  4. Step 4: Simplify right side
    236,856.64x = 42,303,423,085.55
  5. Step 5: Solve for x
    x = 42,303,423,085.55/236,856.64
  6. Step 6: Final answer
    x = 178,603.49

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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.