Home / 170,718.93-235,671.84-99,085.11

Finding the Fourth Proportional to 170,718.93, 235,671.84 and 99,085.11

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Solution

The fourth proportional to 170,718.93, 235,671.84 and 99,085.11 is: 136,783.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,718.93 : 235,671.84 = 99,085.11 : x
  2. Step 2: Convert to fraction form
    170,718.93/235,671.84 = 99,085.11/x
  3. Step 3: Cross multiply
    170,718.93x = 235,671.84 × 99,085.11
  4. Step 4: Simplify right side
    170,718.93x = 23,351,570,190.30
  5. Step 5: Solve for x
    x = 23,351,570,190.30/170,718.93
  6. Step 6: Final answer
    x = 136,783.72

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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.