Home / 103,283.16-154,533.78-61,185.84

Finding the Fourth Proportional to 103,283.16, 154,533.78 and 61,185.84

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Solution

The fourth proportional to 103,283.16, 154,533.78 and 61,185.84 is: 91,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,283.16 : 154,533.78 = 61,185.84 : x
  2. Step 2: Convert to fraction form
    103,283.16/154,533.78 = 61,185.84/x
  3. Step 3: Cross multiply
    103,283.16x = 154,533.78 × 61,185.84
  4. Step 4: Simplify right side
    103,283.16x = 9,455,279,137.68
  5. Step 5: Solve for x
    x = 9,455,279,137.68/103,283.16
  6. Step 6: Final answer
    x = 91,547.15

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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.