Home / 236,693.66-326,635.58-129,263.72

Finding the Fourth Proportional to 236,693.66, 326,635.58 and 129,263.72

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Solution

The fourth proportional to 236,693.66, 326,635.58 and 129,263.72 is: 178,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,693.66 : 326,635.58 = 129,263.72 : x
  2. Step 2: Convert to fraction form
    236,693.66/326,635.58 = 129,263.72/x
  3. Step 3: Cross multiply
    236,693.66x = 326,635.58 × 129,263.72
  4. Step 4: Simplify right side
    236,693.66x = 42,222,127,875.66
  5. Step 5: Solve for x
    x = 42,222,127,875.66/236,693.66
  6. Step 6: Final answer
    x = 178,383.02

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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.