Home / 281,536.32-388,649.76-166,807.36

Finding the Fourth Proportional to 281,536.32, 388,649.76 and 166,807.36

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Solution

The fourth proportional to 281,536.32, 388,649.76 and 166,807.36 is: 230,270.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,536.32 : 388,649.76 = 166,807.36 : x
  2. Step 2: Convert to fraction form
    281,536.32/388,649.76 = 166,807.36/x
  3. Step 3: Cross multiply
    281,536.32x = 388,649.76 × 166,807.36
  4. Step 4: Simplify right side
    281,536.32x = 64,829,640,430.23
  5. Step 5: Solve for x
    x = 64,829,640,430.23/281,536.32
  6. Step 6: Final answer
    x = 230,270.97

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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.