Home / 113,213.88-156,243.06-62,916.12

Finding the Fourth Proportional to 113,213.88, 156,243.06 and 62,916.12

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Solution

The fourth proportional to 113,213.88, 156,243.06 and 62,916.12 is: 86,828.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.88 : 156,243.06 = 62,916.12 : x
  2. Step 2: Convert to fraction form
    113,213.88/156,243.06 = 62,916.12/x
  3. Step 3: Cross multiply
    113,213.88x = 156,243.06 × 62,916.12
  4. Step 4: Simplify right side
    113,213.88x = 9,830,207,112.13
  5. Step 5: Solve for x
    x = 9,830,207,112.13/113,213.88
  6. Step 6: Final answer
    x = 86,828.64

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1.5x scale

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.