Home / 353,125.84-487,323.06-191,991.76

Finding the Fourth Proportional to 353,125.84, 487,323.06 and 191,991.76

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Solution

The fourth proportional to 353,125.84, 487,323.06 and 191,991.76 is: 264,953.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,125.84 : 487,323.06 = 191,991.76 : x
  2. Step 2: Convert to fraction form
    353,125.84/487,323.06 = 191,991.76/x
  3. Step 3: Cross multiply
    353,125.84x = 487,323.06 × 191,991.76
  4. Step 4: Simplify right side
    353,125.84x = 93,562,011,977.99
  5. Step 5: Solve for x
    x = 93,562,011,977.99/353,125.84
  6. Step 6: Final answer
    x = 264,953.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.