Home / 133,248.54-183,877.48-72,821.18

Finding the Fourth Proportional to 133,248.54, 183,877.48 and 72,821.18

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Solution

The fourth proportional to 133,248.54, 183,877.48 and 72,821.18 is: 100,490.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,248.54 : 183,877.48 = 72,821.18 : x
  2. Step 2: Convert to fraction form
    133,248.54/183,877.48 = 72,821.18/x
  3. Step 3: Cross multiply
    133,248.54x = 183,877.48 × 72,821.18
  4. Step 4: Simplify right side
    133,248.54x = 13,390,175,069.03
  5. Step 5: Solve for x
    x = 13,390,175,069.03/133,248.54
  6. Step 6: Final answer
    x = 100,490.22

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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.