Home / 119,864.16-165,484.08-106,579.68

Finding the Fourth Proportional to 119,864.16, 165,484.08 and 106,579.68

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Solution

The fourth proportional to 119,864.16, 165,484.08 and 106,579.68 is: 147,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,864.16 : 165,484.08 = 106,579.68 : x
  2. Step 2: Convert to fraction form
    119,864.16/165,484.08 = 106,579.68/x
  3. Step 3: Cross multiply
    119,864.16x = 165,484.08 × 106,579.68
  4. Step 4: Simplify right side
    119,864.16x = 17,637,240,291.49
  5. Step 5: Solve for x
    x = 17,637,240,291.49/119,864.16
  6. Step 6: Final answer
    x = 147,143.57

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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.