Home / 148,094.16-204,157.38-105,578.88

Finding the Fourth Proportional to 148,094.16, 204,157.38 and 105,578.88

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Solution

The fourth proportional to 148,094.16, 204,157.38 and 105,578.88 is: 145,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,094.16 : 204,157.38 = 105,578.88 : x
  2. Step 2: Convert to fraction form
    148,094.16/204,157.38 = 105,578.88/x
  3. Step 3: Cross multiply
    148,094.16x = 204,157.38 × 105,578.88
  4. Step 4: Simplify right side
    148,094.16x = 21,554,707,524.13
  5. Step 5: Solve for x
    x = 21,554,707,524.13/148,094.16
  6. Step 6: Final answer
    x = 145,547.32

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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.