Home / 153,934.06-212,370.51-93,481.87

Finding the Fourth Proportional to 153,934.06, 212,370.51 and 93,481.87

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Solution

The fourth proportional to 153,934.06, 212,370.51 and 93,481.87 is: 128,969.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,934.06 : 212,370.51 = 93,481.87 : x
  2. Step 2: Convert to fraction form
    153,934.06/212,370.51 = 93,481.87/x
  3. Step 3: Cross multiply
    153,934.06x = 212,370.51 × 93,481.87
  4. Step 4: Simplify right side
    153,934.06x = 19,852,792,407.65
  5. Step 5: Solve for x
    x = 19,852,792,407.65/153,934.06
  6. Step 6: Final answer
    x = 128,969.46

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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.