Home / 158,523.08-218,784.38-98,113.18

Finding the Fourth Proportional to 158,523.08, 218,784.38 and 98,113.18

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Solution

The fourth proportional to 158,523.08, 218,784.38 and 98,113.18 is: 135,410.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,523.08 : 218,784.38 = 98,113.18 : x
  2. Step 2: Convert to fraction form
    158,523.08/218,784.38 = 98,113.18/x
  3. Step 3: Cross multiply
    158,523.08x = 218,784.38 × 98,113.18
  4. Step 4: Simplify right side
    158,523.08x = 21,465,631,256.13
  5. Step 5: Solve for x
    x = 21,465,631,256.13/158,523.08
  6. Step 6: Final answer
    x = 135,410.13

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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.