Home / 141,075.42-194,683.55-77,414.28

Finding the Fourth Proportional to 141,075.42, 194,683.55 and 77,414.28

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Solution

The fourth proportional to 141,075.42, 194,683.55 and 77,414.28 is: 106,831.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,075.42 : 194,683.55 = 77,414.28 : x
  2. Step 2: Convert to fraction form
    141,075.42/194,683.55 = 77,414.28/x
  3. Step 3: Cross multiply
    141,075.42x = 194,683.55 × 77,414.28
  4. Step 4: Simplify right side
    141,075.42x = 15,071,286,464.02
  5. Step 5: Solve for x
    x = 15,071,286,464.02/141,075.42
  6. Step 6: Final answer
    x = 106,831.41

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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.