Home / 236,463.12-326,319.93-129,035.52

Finding the Fourth Proportional to 236,463.12, 326,319.93 and 129,035.52

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Solution

The fourth proportional to 236,463.12, 326,319.93 and 129,035.52 is: 178,069.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,463.12 : 326,319.93 = 129,035.52 : x
  2. Step 2: Convert to fraction form
    236,463.12/326,319.93 = 129,035.52/x
  3. Step 3: Cross multiply
    236,463.12x = 326,319.93 × 129,035.52
  4. Step 4: Simplify right side
    236,463.12x = 42,106,861,853.91
  5. Step 5: Solve for x
    x = 42,106,861,853.91/236,463.12
  6. Step 6: Final answer
    x = 178,069.47

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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.