Home / 141,152.84-194,782.16-77,490.24

Finding the Fourth Proportional to 141,152.84, 194,782.16 and 77,490.24

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Solution

The fourth proportional to 141,152.84, 194,782.16 and 77,490.24 is: 106,931.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,152.84 : 194,782.16 = 77,490.24 : x
  2. Step 2: Convert to fraction form
    141,152.84/194,782.16 = 77,490.24/x
  3. Step 3: Cross multiply
    141,152.84x = 194,782.16 × 77,490.24
  4. Step 4: Simplify right side
    141,152.84x = 15,093,716,326.12
  5. Step 5: Solve for x
    x = 15,093,716,326.12/141,152.84
  6. Step 6: Final answer
    x = 106,931.72

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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.