Home / 236,649.60-326,577.65-129,219.63

Finding the Fourth Proportional to 236,649.60, 326,577.65 and 129,219.63

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Solution

The fourth proportional to 236,649.60, 326,577.65 and 129,219.63 is: 178,323.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,649.60 : 326,577.65 = 129,219.63 : x
  2. Step 2: Convert to fraction form
    236,649.60/326,577.65 = 129,219.63/x
  3. Step 3: Cross multiply
    236,649.60x = 326,577.65 × 129,219.63
  4. Step 4: Simplify right side
    236,649.60x = 42,200,242,453.17
  5. Step 5: Solve for x
    x = 42,200,242,453.17/236,649.60
  6. Step 6: Final answer
    x = 178,323.74

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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.