Home / 236,528.49-326,406.96-129,097.58

Finding the Fourth Proportional to 236,528.49, 326,406.96 and 129,097.58

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Solution

The fourth proportional to 236,528.49, 326,406.96 and 129,097.58 is: 178,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,528.49 : 326,406.96 = 129,097.58 : x
  2. Step 2: Convert to fraction form
    236,528.49/326,406.96 = 129,097.58/x
  3. Step 3: Cross multiply
    236,528.49x = 326,406.96 × 129,097.58
  4. Step 4: Simplify right side
    236,528.49x = 42,138,346,999.12
  5. Step 5: Solve for x
    x = 42,138,346,999.12/236,528.49
  6. Step 6: Final answer
    x = 178,153.37

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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.