Home / 236,733.74-326,690.62-129,303.84

Finding the Fourth Proportional to 236,733.74, 326,690.62 and 129,303.84

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Solution

The fourth proportional to 236,733.74, 326,690.62 and 129,303.84 is: 178,438.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,733.74 : 326,690.62 = 129,303.84 : x
  2. Step 2: Convert to fraction form
    236,733.74/326,690.62 = 129,303.84/x
  3. Step 3: Cross multiply
    236,733.74x = 326,690.62 × 129,303.84
  4. Step 4: Simplify right side
    236,733.74x = 42,242,352,559.81
  5. Step 5: Solve for x
    x = 42,242,352,559.81/236,733.74
  6. Step 6: Final answer
    x = 178,438.24

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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.