Home / 136,091.04-187,808.40-75,664.08

Finding the Fourth Proportional to 136,091.04, 187,808.40 and 75,664.08

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Solution

The fourth proportional to 136,091.04, 187,808.40 and 75,664.08 is: 104,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.04 : 187,808.40 = 75,664.08 : x
  2. Step 2: Convert to fraction form
    136,091.04/187,808.40 = 75,664.08/x
  3. Step 3: Cross multiply
    136,091.04x = 187,808.40 × 75,664.08
  4. Step 4: Simplify right side
    136,091.04x = 14,210,349,802.27
  5. Step 5: Solve for x
    x = 14,210,349,802.27/136,091.04
  6. Step 6: Final answer
    x = 104,417.97

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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.