Home / 236,627.32-326,507.19-139,817.72

Finding the Fourth Proportional to 236,627.32, 326,507.19 and 139,817.72

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Solution

The fourth proportional to 236,627.32, 326,507.19 and 139,817.72 is: 192,925.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,627.32 : 326,507.19 = 139,817.72 : x
  2. Step 2: Convert to fraction form
    236,627.32/326,507.19 = 139,817.72/x
  3. Step 3: Cross multiply
    236,627.32x = 326,507.19 × 139,817.72
  4. Step 4: Simplify right side
    236,627.32x = 45,651,489,645.00
  5. Step 5: Solve for x
    x = 45,651,489,645.00/236,627.32
  6. Step 6: Final answer
    x = 192,925.69

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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.