Home / 170,443.72-235,637.46-127,928.44

Finding the Fourth Proportional to 170,443.72, 235,637.46 and 127,928.44

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Solution

The fourth proportional to 170,443.72, 235,637.46 and 127,928.44 is: 176,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,443.72 : 235,637.46 = 127,928.44 : x
  2. Step 2: Convert to fraction form
    170,443.72/235,637.46 = 127,928.44/x
  3. Step 3: Cross multiply
    170,443.72x = 235,637.46 × 127,928.44
  4. Step 4: Simplify right side
    170,443.72x = 30,144,732,663.36
  5. Step 5: Solve for x
    x = 30,144,732,663.36/170,443.72
  6. Step 6: Final answer
    x = 176,860.33

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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.