Home / 369,655.48-554,518.14-103,416.04

Finding the Fourth Proportional to 369,655.48, 554,518.14 and 103,416.04

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Solution

The fourth proportional to 369,655.48, 554,518.14 and 103,416.04 is: 155,133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,655.48 : 554,518.14 = 103,416.04 : x
  2. Step 2: Convert to fraction form
    369,655.48/554,518.14 = 103,416.04/x
  3. Step 3: Cross multiply
    369,655.48x = 554,518.14 × 103,416.04
  4. Step 4: Simplify right side
    369,655.48x = 57,346,070,146.97
  5. Step 5: Solve for x
    x = 57,346,070,146.97/369,655.48
  6. Step 6: Final answer
    x = 155,133.83

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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.