Home / 353,139.14-487,532.86-232,630.58

Finding the Fourth Proportional to 353,139.14, 487,532.86 and 232,630.58

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Solution

The fourth proportional to 353,139.14, 487,532.86 and 232,630.58 is: 321,162.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,139.14 : 487,532.86 = 232,630.58 : x
  2. Step 2: Convert to fraction form
    353,139.14/487,532.86 = 232,630.58/x
  3. Step 3: Cross multiply
    353,139.14x = 487,532.86 × 232,630.58
  4. Step 4: Simplify right side
    353,139.14x = 113,415,051,990.86
  5. Step 5: Solve for x
    x = 113,415,051,990.86/353,139.14
  6. Step 6: Final answer
    x = 321,162.51

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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.