Home / 369,300.12-553,753.32-191,628.24

Finding the Fourth Proportional to 369,300.12, 553,753.32 and 191,628.24

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Solution

The fourth proportional to 369,300.12, 553,753.32 and 191,628.24 is: 287,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,300.12 : 553,753.32 = 191,628.24 : x
  2. Step 2: Convert to fraction form
    369,300.12/553,753.32 = 191,628.24/x
  3. Step 3: Cross multiply
    369,300.12x = 553,753.32 × 191,628.24
  4. Step 4: Simplify right side
    369,300.12x = 106,114,774,105.76
  5. Step 5: Solve for x
    x = 106,114,774,105.76/369,300.12
  6. Step 6: Final answer
    x = 287,340.21

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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.