Home / 236,587.55-326,495.76-129,162.11

Finding the Fourth Proportional to 236,587.55, 326,495.76 and 129,162.11

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Solution

The fourth proportional to 236,587.55, 326,495.76 and 129,162.11 is: 178,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,587.55 : 326,495.76 = 129,162.11 : x
  2. Step 2: Convert to fraction form
    236,587.55/326,495.76 = 129,162.11/x
  3. Step 3: Cross multiply
    236,587.55x = 326,495.76 × 129,162.11
  4. Step 4: Simplify right side
    236,587.55x = 42,170,881,267.65
  5. Step 5: Solve for x
    x = 42,170,881,267.65/236,587.55
  6. Step 6: Final answer
    x = 178,246.41

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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.