Home / 369,071.83-553,410.91-191,137.51

Finding the Fourth Proportional to 369,071.83, 553,410.91 and 191,137.51

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Solution

The fourth proportional to 369,071.83, 553,410.91 and 191,137.51 is: 286,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,071.83 : 553,410.91 = 191,137.51 : x
  2. Step 2: Convert to fraction form
    369,071.83/553,410.91 = 191,137.51/x
  3. Step 3: Cross multiply
    369,071.83x = 553,410.91 × 191,137.51
  4. Step 4: Simplify right side
    369,071.83x = 105,777,583,344.23
  5. Step 5: Solve for x
    x = 105,777,583,344.23/369,071.83
  6. Step 6: Final answer
    x = 286,604.33

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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.