Home / 235,308.69-324,728.02-127,878.70

Finding the Fourth Proportional to 235,308.69, 324,728.02 and 127,878.70

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Solution

The fourth proportional to 235,308.69, 324,728.02 and 127,878.70 is: 176,473.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,308.69 : 324,728.02 = 127,878.70 : x
  2. Step 2: Convert to fraction form
    235,308.69/324,728.02 = 127,878.70/x
  3. Step 3: Cross multiply
    235,308.69x = 324,728.02 × 127,878.70
  4. Step 4: Simplify right side
    235,308.69x = 41,525,797,051.17
  5. Step 5: Solve for x
    x = 41,525,797,051.17/235,308.69
  6. Step 6: Final answer
    x = 176,473.71

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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.