Home / 170,435.82-235,626.59-127,920.54

Finding the Fourth Proportional to 170,435.82, 235,626.59 and 127,920.54

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Solution

The fourth proportional to 170,435.82, 235,626.59 and 127,920.54 is: 176,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,435.82 : 235,626.59 = 127,920.54 : x
  2. Step 2: Convert to fraction form
    170,435.82/235,626.59 = 127,920.54/x
  3. Step 3: Cross multiply
    170,435.82x = 235,626.59 × 127,920.54
  4. Step 4: Simplify right side
    170,435.82x = 30,141,480,631.16
  5. Step 5: Solve for x
    x = 30,141,480,631.16/170,435.82
  6. Step 6: Final answer
    x = 176,849.45

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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.