Home / 236,012.90-326,112.09-188,657.06

Finding the Fourth Proportional to 236,012.90, 326,112.09 and 188,657.06

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Solution

The fourth proportional to 236,012.90, 326,112.09 and 188,657.06 is: 260,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,012.90 : 326,112.09 = 188,657.06 : x
  2. Step 2: Convert to fraction form
    236,012.90/326,112.09 = 188,657.06/x
  3. Step 3: Cross multiply
    236,012.90x = 326,112.09 × 188,657.06
  4. Step 4: Simplify right side
    236,012.90x = 61,523,348,129.86
  5. Step 5: Solve for x
    x = 61,523,348,129.86/236,012.90
  6. Step 6: Final answer
    x = 260,677.90

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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.