Home / 210,088.40-314,869.80-104,936.72

Finding the Fourth Proportional to 210,088.40, 314,869.80 and 104,936.72

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Solution

The fourth proportional to 210,088.40, 314,869.80 and 104,936.72 is: 157,273.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,088.40 : 314,869.80 = 104,936.72 : x
  2. Step 2: Convert to fraction form
    210,088.40/314,869.80 = 104,936.72/x
  3. Step 3: Cross multiply
    210,088.40x = 314,869.80 × 104,936.72
  4. Step 4: Simplify right side
    210,088.40x = 33,041,404,039.06
  5. Step 5: Solve for x
    x = 33,041,404,039.06/210,088.40
  6. Step 6: Final answer
    x = 157,273.81

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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.