Home / 170,319.37-235,040.79-98,740.98

Finding the Fourth Proportional to 170,319.37, 235,040.79 and 98,740.98

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Solution

The fourth proportional to 170,319.37, 235,040.79 and 98,740.98 is: 136,262.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,319.37 : 235,040.79 = 98,740.98 : x
  2. Step 2: Convert to fraction form
    170,319.37/235,040.79 = 98,740.98/x
  3. Step 3: Cross multiply
    170,319.37x = 235,040.79 × 98,740.98
  4. Step 4: Simplify right side
    170,319.37x = 23,208,157,944.57
  5. Step 5: Solve for x
    x = 23,208,157,944.57/170,319.37
  6. Step 6: Final answer
    x = 136,262.59

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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.