Home / 114,235.52-157,661.44-66,515.18

Finding the Fourth Proportional to 114,235.52, 157,661.44 and 66,515.18

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Solution

The fourth proportional to 114,235.52, 157,661.44 and 66,515.18 is: 91,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,235.52 : 157,661.44 = 66,515.18 : x
  2. Step 2: Convert to fraction form
    114,235.52/157,661.44 = 66,515.18/x
  3. Step 3: Cross multiply
    114,235.52x = 157,661.44 × 66,515.18
  4. Step 4: Simplify right side
    114,235.52x = 10,486,878,106.06
  5. Step 5: Solve for x
    x = 10,486,878,106.06/114,235.52
  6. Step 6: Final answer
    x = 91,800.51

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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.