Home / 369,985.29-554,915.34-103,684.52

Finding the Fourth Proportional to 369,985.29, 554,915.34 and 103,684.52

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Solution

The fourth proportional to 369,985.29, 554,915.34 and 103,684.52 is: 155,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,985.29 : 554,915.34 = 103,684.52 : x
  2. Step 2: Convert to fraction form
    369,985.29/554,915.34 = 103,684.52/x
  3. Step 3: Cross multiply
    369,985.29x = 554,915.34 × 103,684.52
  4. Step 4: Simplify right side
    369,985.29x = 57,536,127,375.54
  5. Step 5: Solve for x
    x = 57,536,127,375.54/369,985.29
  6. Step 6: Final answer
    x = 155,509.23

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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.