Home / 190,615.04-262,876.48-119,001.68

Finding the Fourth Proportional to 190,615.04, 262,876.48 and 119,001.68

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Solution

The fourth proportional to 190,615.04, 262,876.48 and 119,001.68 is: 164,114.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,615.04 : 262,876.48 = 119,001.68 : x
  2. Step 2: Convert to fraction form
    190,615.04/262,876.48 = 119,001.68/x
  3. Step 3: Cross multiply
    190,615.04x = 262,876.48 × 119,001.68
  4. Step 4: Simplify right side
    190,615.04x = 31,282,742,752.49
  5. Step 5: Solve for x
    x = 31,282,742,752.49/190,615.04
  6. Step 6: Final answer
    x = 164,114.77

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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.