Home / 114,261.36-157,673.04-66,507.12

Finding the Fourth Proportional to 114,261.36, 157,673.04 and 66,507.12

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Solution

The fourth proportional to 114,261.36, 157,673.04 and 66,507.12 is: 91,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,261.36 : 157,673.04 = 66,507.12 : x
  2. Step 2: Convert to fraction form
    114,261.36/157,673.04 = 66,507.12/x
  3. Step 3: Cross multiply
    114,261.36x = 157,673.04 × 66,507.12
  4. Step 4: Simplify right side
    114,261.36x = 10,486,379,792.04
  5. Step 5: Solve for x
    x = 10,486,379,792.04/114,261.36
  6. Step 6: Final answer
    x = 91,775.38

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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.