Home / 369,985.20-554,915.26-103,684.48

Finding the Fourth Proportional to 369,985.20, 554,915.26 and 103,684.48

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Solution

The fourth proportional to 369,985.20, 554,915.26 and 103,684.48 is: 155,509.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.20 : 554,915.26 = 103,684.48 : x
  2. Step 2: Convert to fraction form
    369,985.20/554,915.26 = 103,684.48/x
  3. Step 3: Cross multiply
    369,985.20x = 554,915.26 × 103,684.48
  4. Step 4: Simplify right side
    369,985.20x = 57,536,100,177.16
  5. Step 5: Solve for x
    x = 57,536,100,177.16/369,985.20
  6. Step 6: Final answer
    x = 155,509.19

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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.