Home / 236,458.45-326,320.50-129,034.36

Finding the Fourth Proportional to 236,458.45, 326,320.50 and 129,034.36

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Solution

The fourth proportional to 236,458.45, 326,320.50 and 129,034.36 is: 178,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,458.45 : 326,320.50 = 129,034.36 : x
  2. Step 2: Convert to fraction form
    236,458.45/326,320.50 = 129,034.36/x
  3. Step 3: Cross multiply
    236,458.45x = 326,320.50 × 129,034.36
  4. Step 4: Simplify right side
    236,458.45x = 42,106,556,872.38
  5. Step 5: Solve for x
    x = 42,106,556,872.38/236,458.45
  6. Step 6: Final answer
    x = 178,071.69

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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.