Home / 369,741.07-554,611.62-120,423.07

Finding the Fourth Proportional to 369,741.07, 554,611.62 and 120,423.07

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Solution

The fourth proportional to 369,741.07, 554,611.62 and 120,423.07 is: 180,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,741.07 : 554,611.62 = 120,423.07 : x
  2. Step 2: Convert to fraction form
    369,741.07/554,611.62 = 120,423.07/x
  3. Step 3: Cross multiply
    369,741.07x = 554,611.62 × 120,423.07
  4. Step 4: Simplify right side
    369,741.07x = 66,788,031,165.02
  5. Step 5: Solve for x
    x = 66,788,031,165.02/369,741.07
  6. Step 6: Final answer
    x = 180,634.60

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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.