Home / 105,209.61-157,814.34-26,323.77

Finding the Fourth Proportional to 105,209.61, 157,814.34 and 26,323.77

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Solution

The fourth proportional to 105,209.61, 157,814.34 and 26,323.77 is: 39,485.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,209.61 : 157,814.34 = 26,323.77 : x
  2. Step 2: Convert to fraction form
    105,209.61/157,814.34 = 26,323.77/x
  3. Step 3: Cross multiply
    105,209.61x = 157,814.34 × 26,323.77
  4. Step 4: Simplify right side
    105,209.61x = 4,154,268,388.86
  5. Step 5: Solve for x
    x = 4,154,268,388.86/105,209.61
  6. Step 6: Final answer
    x = 39,485.64

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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.