Home / 190,954.16-263,587.56-163,988.36

Finding the Fourth Proportional to 190,954.16, 263,587.56 and 163,988.36

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Solution

The fourth proportional to 190,954.16, 263,587.56 and 163,988.36 is: 226,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,954.16 : 263,587.56 = 163,988.36 : x
  2. Step 2: Convert to fraction form
    190,954.16/263,587.56 = 163,988.36/x
  3. Step 3: Cross multiply
    190,954.16x = 263,587.56 × 163,988.36
  4. Step 4: Simplify right side
    190,954.16x = 43,225,291,680.80
  5. Step 5: Solve for x
    x = 43,225,291,680.80/190,954.16
  6. Step 6: Final answer
    x = 226,364.76

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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.