Home / 170,931.60-235,837.58-98,330.69

Finding the Fourth Proportional to 170,931.60, 235,837.58 and 98,330.69

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Solution

The fourth proportional to 170,931.60, 235,837.58 and 98,330.69 is: 135,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,931.60 : 235,837.58 = 98,330.69 : x
  2. Step 2: Convert to fraction form
    170,931.60/235,837.58 = 98,330.69/x
  3. Step 3: Cross multiply
    170,931.60x = 235,837.58 × 98,330.69
  4. Step 4: Simplify right side
    170,931.60x = 23,190,072,067.27
  5. Step 5: Solve for x
    x = 23,190,072,067.27/170,931.60
  6. Step 6: Final answer
    x = 135,668.72

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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.