Home / 113,784.93-156,985.74-73,522.40

Finding the Fourth Proportional to 113,784.93, 156,985.74 and 73,522.40

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Solution

The fourth proportional to 113,784.93, 156,985.74 and 73,522.40 is: 101,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,784.93 : 156,985.74 = 73,522.40 : x
  2. Step 2: Convert to fraction form
    113,784.93/156,985.74 = 73,522.40/x
  3. Step 3: Cross multiply
    113,784.93x = 156,985.74 × 73,522.40
  4. Step 4: Simplify right side
    113,784.93x = 11,541,967,585.65
  5. Step 5: Solve for x
    x = 11,541,967,585.65/113,784.93
  6. Step 6: Final answer
    x = 101,436.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.