Home / 105,026.27-157,539.13-26,140.50

Finding the Fourth Proportional to 105,026.27, 157,539.13 and 26,140.50

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Solution

The fourth proportional to 105,026.27, 157,539.13 and 26,140.50 is: 39,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,026.27 : 157,539.13 = 26,140.50 : x
  2. Step 2: Convert to fraction form
    105,026.27/157,539.13 = 26,140.50/x
  3. Step 3: Cross multiply
    105,026.27x = 157,539.13 × 26,140.50
  4. Step 4: Simplify right side
    105,026.27x = 4,118,151,562.41
  5. Step 5: Solve for x
    x = 4,118,151,562.41/105,026.27
  6. Step 6: Final answer
    x = 39,210.68

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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.