Home / 134,846.80-186,089.16-74,416.40

Finding the Fourth Proportional to 134,846.80, 186,089.16 and 74,416.40

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Solution

The fourth proportional to 134,846.80, 186,089.16 and 74,416.40 is: 102,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,846.80 : 186,089.16 = 74,416.40 : x
  2. Step 2: Convert to fraction form
    134,846.80/186,089.16 = 74,416.40/x
  3. Step 3: Cross multiply
    134,846.80x = 186,089.16 × 74,416.40
  4. Step 4: Simplify right side
    134,846.80x = 13,848,085,366.22
  5. Step 5: Solve for x
    x = 13,848,085,366.22/134,846.80
  6. Step 6: Final answer
    x = 102,694.95

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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.