Home / 127,888.44-176,430.06-121,959.24

Finding the Fourth Proportional to 127,888.44, 176,430.06 and 121,959.24

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Solution

The fourth proportional to 127,888.44, 176,430.06 and 121,959.24 is: 168,250.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,888.44 : 176,430.06 = 121,959.24 : x
  2. Step 2: Convert to fraction form
    127,888.44/176,430.06 = 121,959.24/x
  3. Step 3: Cross multiply
    127,888.44x = 176,430.06 × 121,959.24
  4. Step 4: Simplify right side
    127,888.44x = 21,517,276,030.75
  5. Step 5: Solve for x
    x = 21,517,276,030.75/127,888.44
  6. Step 6: Final answer
    x = 168,250.36

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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.