Home / 236,853.12-326,852.48-129,423.68

Finding the Fourth Proportional to 236,853.12, 326,852.48 and 129,423.68

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Solution

The fourth proportional to 236,853.12, 326,852.48 and 129,423.68 is: 178,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,853.12 : 326,852.48 = 129,423.68 : x
  2. Step 2: Convert to fraction form
    236,853.12/326,852.48 = 129,423.68/x
  3. Step 3: Cross multiply
    236,853.12x = 326,852.48 × 129,423.68
  4. Step 4: Simplify right side
    236,853.12x = 42,302,450,778.73
  5. Step 5: Solve for x
    x = 42,302,450,778.73/236,853.12
  6. Step 6: Final answer
    x = 178,602.04

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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.