Home / 353,051.74-529,521.79-153,318.50

Finding the Fourth Proportional to 353,051.74, 529,521.79 and 153,318.50

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Solution

The fourth proportional to 353,051.74, 529,521.79 and 153,318.50 is: 229,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,051.74 : 529,521.79 = 153,318.50 : x
  2. Step 2: Convert to fraction form
    353,051.74/529,521.79 = 153,318.50/x
  3. Step 3: Cross multiply
    353,051.74x = 529,521.79 × 153,318.50
  4. Step 4: Simplify right side
    353,051.74x = 81,185,486,560.12
  5. Step 5: Solve for x
    x = 81,185,486,560.12/353,051.74
  6. Step 6: Final answer
    x = 229,953.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.