Home / 369,660.48-554,525.64-103,421.04

Finding the Fourth Proportional to 369,660.48, 554,525.64 and 103,421.04

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Solution

The fourth proportional to 369,660.48, 554,525.64 and 103,421.04 is: 155,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,660.48 : 554,525.64 = 103,421.04 : x
  2. Step 2: Convert to fraction form
    369,660.48/554,525.64 = 103,421.04/x
  3. Step 3: Cross multiply
    369,660.48x = 554,525.64 × 103,421.04
  4. Step 4: Simplify right side
    369,660.48x = 57,349,618,395.47
  5. Step 5: Solve for x
    x = 57,349,618,395.47/369,660.48
  6. Step 6: Final answer
    x = 155,141.33

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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.