Home / 105,135.04-157,702.56-26,249.16

Finding the Fourth Proportional to 105,135.04, 157,702.56 and 26,249.16

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Solution

The fourth proportional to 105,135.04, 157,702.56 and 26,249.16 is: 39,373.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,135.04 : 157,702.56 = 26,249.16 : x
  2. Step 2: Convert to fraction form
    105,135.04/157,702.56 = 26,249.16/x
  3. Step 3: Cross multiply
    105,135.04x = 157,702.56 × 26,249.16
  4. Step 4: Simplify right side
    105,135.04x = 4,139,559,729.85
  5. Step 5: Solve for x
    x = 4,139,559,729.85/105,135.04
  6. Step 6: Final answer
    x = 39,373.74

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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.