Home / 314,918.42-434,571.72-178,934.42

Finding the Fourth Proportional to 314,918.42, 434,571.72 and 178,934.42

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Solution

The fourth proportional to 314,918.42, 434,571.72 and 178,934.42 is: 246,920.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,918.42 : 434,571.72 = 178,934.42 : x
  2. Step 2: Convert to fraction form
    314,918.42/434,571.72 = 178,934.42/x
  3. Step 3: Cross multiply
    314,918.42x = 434,571.72 × 178,934.42
  4. Step 4: Simplify right side
    314,918.42x = 77,759,838,666.60
  5. Step 5: Solve for x
    x = 77,759,838,666.60/314,918.42
  6. Step 6: Final answer
    x = 246,920.58

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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.