Home / 151,907.57-209,636.67-83,928.93

Finding the Fourth Proportional to 151,907.57, 209,636.67 and 83,928.93

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Solution

The fourth proportional to 151,907.57, 209,636.67 and 83,928.93 is: 115,824.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,907.57 : 209,636.67 = 83,928.93 : x
  2. Step 2: Convert to fraction form
    151,907.57/209,636.67 = 83,928.93/x
  3. Step 3: Cross multiply
    151,907.57x = 209,636.67 × 83,928.93
  4. Step 4: Simplify right side
    151,907.57x = 17,594,580,930.46
  5. Step 5: Solve for x
    x = 17,594,580,930.46/151,907.57
  6. Step 6: Final answer
    x = 115,824.25

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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.