Home / 219,925.86-329,727.30-70,079.94

Finding the Fourth Proportional to 219,925.86, 329,727.30 and 70,079.94

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Solution

The fourth proportional to 219,925.86, 329,727.30 and 70,079.94 is: 105,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,925.86 : 329,727.30 = 70,079.94 : x
  2. Step 2: Convert to fraction form
    219,925.86/329,727.30 = 70,079.94/x
  3. Step 3: Cross multiply
    219,925.86x = 329,727.30 × 70,079.94
  4. Step 4: Simplify right side
    219,925.86x = 23,107,269,400.36
  5. Step 5: Solve for x
    x = 23,107,269,400.36/219,925.86
  6. Step 6: Final answer
    x = 105,068.45

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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.