Home / 127,035.28-190,968.54-117,718.84

Finding the Fourth Proportional to 127,035.28, 190,968.54 and 117,718.84

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Solution

The fourth proportional to 127,035.28, 190,968.54 and 117,718.84 is: 176,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,035.28 : 190,968.54 = 117,718.84 : x
  2. Step 2: Convert to fraction form
    127,035.28/190,968.54 = 117,718.84/x
  3. Step 3: Cross multiply
    127,035.28x = 190,968.54 × 117,718.84
  4. Step 4: Simplify right side
    127,035.28x = 22,480,595,005.29
  5. Step 5: Solve for x
    x = 22,480,595,005.29/127,035.28
  6. Step 6: Final answer
    x = 176,963.40

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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.