Home / 236,785.14-326,768.31-129,362.13

Finding the Fourth Proportional to 236,785.14, 326,768.31 and 129,362.13

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Solution

The fourth proportional to 236,785.14, 326,768.31 and 129,362.13 is: 178,522.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,785.14 : 326,768.31 = 129,362.13 : x
  2. Step 2: Convert to fraction form
    236,785.14/326,768.31 = 129,362.13/x
  3. Step 3: Cross multiply
    236,785.14x = 326,768.31 × 129,362.13
  4. Step 4: Simplify right side
    236,785.14x = 42,271,444,598.10
  5. Step 5: Solve for x
    x = 42,271,444,598.10/236,785.14
  6. Step 6: Final answer
    x = 178,522.37

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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.