Home / 369,662.48-554,528.64-103,423.04

Finding the Fourth Proportional to 369,662.48, 554,528.64 and 103,423.04

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Solution

The fourth proportional to 369,662.48, 554,528.64 and 103,423.04 is: 155,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,662.48 : 554,528.64 = 103,423.04 : x
  2. Step 2: Convert to fraction form
    369,662.48/554,528.64 = 103,423.04/x
  3. Step 3: Cross multiply
    369,662.48x = 554,528.64 × 103,423.04
  4. Step 4: Simplify right side
    369,662.48x = 57,351,037,715.87
  5. Step 5: Solve for x
    x = 57,351,037,715.87/369,662.48
  6. Step 6: Final answer
    x = 155,144.33

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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.