Home / 236,242.58-326,007.60-128,814.71

Finding the Fourth Proportional to 236,242.58, 326,007.60 and 128,814.71

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Solution

The fourth proportional to 236,242.58, 326,007.60 and 128,814.71 is: 177,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,242.58 : 326,007.60 = 128,814.71 : x
  2. Step 2: Convert to fraction form
    236,242.58/326,007.60 = 128,814.71/x
  3. Step 3: Cross multiply
    236,242.58x = 326,007.60 × 128,814.71
  4. Step 4: Simplify right side
    236,242.58x = 41,994,574,451.80
  5. Step 5: Solve for x
    x = 41,994,574,451.80/236,242.58
  6. Step 6: Final answer
    x = 177,760.40

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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.