Home / 127,811.58-176,365.51-74,085.49

Finding the Fourth Proportional to 127,811.58, 176,365.51 and 74,085.49

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Solution

The fourth proportional to 127,811.58, 176,365.51 and 74,085.49 is: 102,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,811.58 : 176,365.51 = 74,085.49 : x
  2. Step 2: Convert to fraction form
    127,811.58/176,365.51 = 74,085.49/x
  3. Step 3: Cross multiply
    127,811.58x = 176,365.51 × 74,085.49
  4. Step 4: Simplify right side
    127,811.58x = 13,066,125,227.45
  5. Step 5: Solve for x
    x = 13,066,125,227.45/127,811.58
  6. Step 6: Final answer
    x = 102,229.59

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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.