Home / 223,844.04-308,885.94-128,328.84

Finding the Fourth Proportional to 223,844.04, 308,885.94 and 128,328.84

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Solution

The fourth proportional to 223,844.04, 308,885.94 and 128,328.84 is: 177,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,844.04 : 308,885.94 = 128,328.84 : x
  2. Step 2: Convert to fraction form
    223,844.04/308,885.94 = 128,328.84/x
  3. Step 3: Cross multiply
    223,844.04x = 308,885.94 × 128,328.84
  4. Step 4: Simplify right side
    223,844.04x = 39,638,974,372.51
  5. Step 5: Solve for x
    x = 39,638,974,372.51/223,844.04
  6. Step 6: Final answer
    x = 177,083.00

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1.5x scale

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.