Home / 154,547.19-231,405.48-98,081.60

Finding the Fourth Proportional to 154,547.19, 231,405.48 and 98,081.60

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Solution

The fourth proportional to 154,547.19, 231,405.48 and 98,081.60 is: 146,858.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,547.19 : 231,405.48 = 98,081.60 : x
  2. Step 2: Convert to fraction form
    154,547.19/231,405.48 = 98,081.60/x
  3. Step 3: Cross multiply
    154,547.19x = 231,405.48 × 98,081.60
  4. Step 4: Simplify right side
    154,547.19x = 22,696,618,570.14
  5. Step 5: Solve for x
    x = 22,696,618,570.14/154,547.19
  6. Step 6: Final answer
    x = 146,858.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.