Home / 236,818.35-326,814.03-129,395.05

Finding the Fourth Proportional to 236,818.35, 326,814.03 and 129,395.05

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Solution

The fourth proportional to 236,818.35, 326,814.03 and 129,395.05 is: 178,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,818.35 : 326,814.03 = 129,395.05 : x
  2. Step 2: Convert to fraction form
    236,818.35/326,814.03 = 129,395.05/x
  3. Step 3: Cross multiply
    236,818.35x = 326,814.03 × 129,395.05
  4. Step 4: Simplify right side
    236,818.35x = 42,288,116,935.52
  5. Step 5: Solve for x
    x = 42,288,116,935.52/236,818.35
  6. Step 6: Final answer
    x = 178,567.74

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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.