Home / 113,914.14-157,202.55-66,169.50

Finding the Fourth Proportional to 113,914.14, 157,202.55 and 66,169.50

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Solution

The fourth proportional to 113,914.14, 157,202.55 and 66,169.50 is: 91,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,914.14 : 157,202.55 = 66,169.50 : x
  2. Step 2: Convert to fraction form
    113,914.14/157,202.55 = 66,169.50/x
  3. Step 3: Cross multiply
    113,914.14x = 157,202.55 × 66,169.50
  4. Step 4: Simplify right side
    113,914.14x = 10,402,014,132.23
  5. Step 5: Solve for x
    x = 10,402,014,132.23/113,914.14
  6. Step 6: Final answer
    x = 91,314.51

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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.