Home / 236,556.04-326,455.05-129,131.80

Finding the Fourth Proportional to 236,556.04, 326,455.05 and 129,131.80

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Solution

The fourth proportional to 236,556.04, 326,455.05 and 129,131.80 is: 178,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,556.04 : 326,455.05 = 129,131.80 : x
  2. Step 2: Convert to fraction form
    236,556.04/326,455.05 = 129,131.80/x
  3. Step 3: Cross multiply
    236,556.04x = 326,455.05 × 129,131.80
  4. Step 4: Simplify right side
    236,556.04x = 42,155,728,225.59
  5. Step 5: Solve for x
    x = 42,155,728,225.59/236,556.04
  6. Step 6: Final answer
    x = 178,206.10

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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.