Home / 189,784.07-284,643.30-56,628.57

Finding the Fourth Proportional to 189,784.07, 284,643.30 and 56,628.57

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Solution

The fourth proportional to 189,784.07, 284,643.30 and 56,628.57 is: 84,933.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,784.07 : 284,643.30 = 56,628.57 : x
  2. Step 2: Convert to fraction form
    189,784.07/284,643.30 = 56,628.57/x
  3. Step 3: Cross multiply
    189,784.07x = 284,643.30 × 56,628.57
  4. Step 4: Simplify right side
    189,784.07x = 16,118,943,894.14
  5. Step 5: Solve for x
    x = 16,118,943,894.14/189,784.07
  6. Step 6: Final answer
    x = 84,933.07

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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.