Home / 256,112.04-384,069.60-176,986.38

Finding the Fourth Proportional to 256,112.04, 384,069.60 and 176,986.38

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Solution

The fourth proportional to 256,112.04, 384,069.60 and 176,986.38 is: 265,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,112.04 : 384,069.60 = 176,986.38 : x
  2. Step 2: Convert to fraction form
    256,112.04/384,069.60 = 176,986.38/x
  3. Step 3: Cross multiply
    256,112.04x = 384,069.60 × 176,986.38
  4. Step 4: Simplify right side
    256,112.04x = 67,975,088,172.05
  5. Step 5: Solve for x
    x = 67,975,088,172.05/256,112.04
  6. Step 6: Final answer
    x = 265,411.53

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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.