Home / 236,448.30-326,311.86-129,020.16

Finding the Fourth Proportional to 236,448.30, 326,311.86 and 129,020.16

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Solution

The fourth proportional to 236,448.30, 326,311.86 and 129,020.16 is: 178,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,448.30 : 326,311.86 = 129,020.16 : x
  2. Step 2: Convert to fraction form
    236,448.30/326,311.86 = 129,020.16/x
  3. Step 3: Cross multiply
    236,448.30x = 326,311.86 × 129,020.16
  4. Step 4: Simplify right side
    236,448.30x = 42,100,808,387.10
  5. Step 5: Solve for x
    x = 42,100,808,387.10/236,448.30
  6. Step 6: Final answer
    x = 178,055.03

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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.