Home / 114,237.54-157,542.45-78,364.26

Finding the Fourth Proportional to 114,237.54, 157,542.45 and 78,364.26

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Solution

The fourth proportional to 114,237.54, 157,542.45 and 78,364.26 is: 108,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,237.54 : 157,542.45 = 78,364.26 : x
  2. Step 2: Convert to fraction form
    114,237.54/157,542.45 = 78,364.26/x
  3. Step 3: Cross multiply
    114,237.54x = 157,542.45 × 78,364.26
  4. Step 4: Simplify right side
    114,237.54x = 12,345,697,512.84
  5. Step 5: Solve for x
    x = 12,345,697,512.84/114,237.54
  6. Step 6: Final answer
    x = 108,070.41

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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.