Home / 113,940.78-157,237.34-62,953.35

Finding the Fourth Proportional to 113,940.78, 157,237.34 and 62,953.35

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Solution

The fourth proportional to 113,940.78, 157,237.34 and 62,953.35 is: 86,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,940.78 : 157,237.34 = 62,953.35 : x
  2. Step 2: Convert to fraction form
    113,940.78/157,237.34 = 62,953.35/x
  3. Step 3: Cross multiply
    113,940.78x = 157,237.34 × 62,953.35
  4. Step 4: Simplify right side
    113,940.78x = 9,898,616,511.90
  5. Step 5: Solve for x
    x = 9,898,616,511.90/113,940.78
  6. Step 6: Final answer
    x = 86,875.10

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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.