Home / 158,968.34-219,322.08-98,516.93

Finding the Fourth Proportional to 158,968.34, 219,322.08 and 98,516.93

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Solution

The fourth proportional to 158,968.34, 219,322.08 and 98,516.93 is: 135,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,968.34 : 219,322.08 = 98,516.93 : x
  2. Step 2: Convert to fraction form
    158,968.34/219,322.08 = 98,516.93/x
  3. Step 3: Cross multiply
    158,968.34x = 219,322.08 × 98,516.93
  4. Step 4: Simplify right side
    158,968.34x = 21,606,938,002.81
  5. Step 5: Solve for x
    x = 21,606,938,002.81/158,968.34
  6. Step 6: Final answer
    x = 135,919.76

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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.