Home / 102,988.37-153,710.40-96,262.32

Finding the Fourth Proportional to 102,988.37, 153,710.40 and 96,262.32

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Solution

The fourth proportional to 102,988.37, 153,710.40 and 96,262.32 is: 143,671.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,988.37 : 153,710.40 = 96,262.32 : x
  2. Step 2: Convert to fraction form
    102,988.37/153,710.40 = 96,262.32/x
  3. Step 3: Cross multiply
    102,988.37x = 153,710.40 × 96,262.32
  4. Step 4: Simplify right side
    102,988.37x = 14,796,519,712.13
  5. Step 5: Solve for x
    x = 14,796,519,712.13/102,988.37
  6. Step 6: Final answer
    x = 143,671.75

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.