Home / 268,878.04-371,045.16-148,018.36

Finding the Fourth Proportional to 268,878.04, 371,045.16 and 148,018.36

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Solution

The fourth proportional to 268,878.04, 371,045.16 and 148,018.36 is: 204,261.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,878.04 : 371,045.16 = 148,018.36 : x
  2. Step 2: Convert to fraction form
    268,878.04/371,045.16 = 148,018.36/x
  3. Step 3: Cross multiply
    268,878.04x = 371,045.16 × 148,018.36
  4. Step 4: Simplify right side
    268,878.04x = 54,921,496,069.14
  5. Step 5: Solve for x
    x = 54,921,496,069.14/268,878.04
  6. Step 6: Final answer
    x = 204,261.74

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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.