Home / 127,194.36-190,798.56-38,445.63

Finding the Fourth Proportional to 127,194.36, 190,798.56 and 38,445.63

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Solution

The fourth proportional to 127,194.36, 190,798.56 and 38,445.63 is: 57,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,194.36 : 190,798.56 = 38,445.63 : x
  2. Step 2: Convert to fraction form
    127,194.36/190,798.56 = 38,445.63/x
  3. Step 3: Cross multiply
    127,194.36x = 190,798.56 × 38,445.63
  4. Step 4: Simplify right side
    127,194.36x = 7,335,370,842.29
  5. Step 5: Solve for x
    x = 7,335,370,842.29/127,194.36
  6. Step 6: Final answer
    x = 57,670.57

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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.