Home / 114,709.03-158,356.02-71,712.42

Finding the Fourth Proportional to 114,709.03, 158,356.02 and 71,712.42

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Solution

The fourth proportional to 114,709.03, 158,356.02 and 71,712.42 is: 98,999.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,709.03 : 158,356.02 = 71,712.42 : x
  2. Step 2: Convert to fraction form
    114,709.03/158,356.02 = 71,712.42/x
  3. Step 3: Cross multiply
    114,709.03x = 158,356.02 × 71,712.42
  4. Step 4: Simplify right side
    114,709.03x = 11,356,093,415.77
  5. Step 5: Solve for x
    x = 11,356,093,415.77/114,709.03
  6. Step 6: Final answer
    x = 98,999.12

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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.