Home / 308,056.23-461,886.57-128,266.20

Finding the Fourth Proportional to 308,056.23, 461,886.57 and 128,266.20

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Solution

The fourth proportional to 308,056.23, 461,886.57 and 128,266.20 is: 192,316.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,056.23 : 461,886.57 = 128,266.20 : x
  2. Step 2: Convert to fraction form
    308,056.23/461,886.57 = 128,266.20/x
  3. Step 3: Cross multiply
    308,056.23x = 461,886.57 × 128,266.20
  4. Step 4: Simplify right side
    308,056.23x = 59,244,435,164.93
  5. Step 5: Solve for x
    x = 59,244,435,164.93/308,056.23
  6. Step 6: Final answer
    x = 192,316.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.