Home / 170,590.39-235,338.63-98,928.88

Finding the Fourth Proportional to 170,590.39, 235,338.63 and 98,928.88

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Solution

The fourth proportional to 170,590.39, 235,338.63 and 98,928.88 is: 136,477.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,590.39 : 235,338.63 = 98,928.88 : x
  2. Step 2: Convert to fraction form
    170,590.39/235,338.63 = 98,928.88/x
  3. Step 3: Cross multiply
    170,590.39x = 235,338.63 × 98,928.88
  4. Step 4: Simplify right side
    170,590.39x = 23,281,787,086.63
  5. Step 5: Solve for x
    x = 23,281,787,086.63/170,590.39
  6. Step 6: Final answer
    x = 136,477.72

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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.