Home / 248,065.50-342,330.39-134,889.06

Finding the Fourth Proportional to 248,065.50, 342,330.39 and 134,889.06

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Solution

The fourth proportional to 248,065.50, 342,330.39 and 134,889.06 is: 186,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,065.50 : 342,330.39 = 134,889.06 : x
  2. Step 2: Convert to fraction form
    248,065.50/342,330.39 = 134,889.06/x
  3. Step 3: Cross multiply
    248,065.50x = 342,330.39 × 134,889.06
  4. Step 4: Simplify right side
    248,065.50x = 46,176,624,516.53
  5. Step 5: Solve for x
    x = 46,176,624,516.53/248,065.50
  6. Step 6: Final answer
    x = 186,146.90

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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.