Home / 147,835.68-204,038.08-84,164.64

Finding the Fourth Proportional to 147,835.68, 204,038.08 and 84,164.64

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Solution

The fourth proportional to 147,835.68, 204,038.08 and 84,164.64 is: 116,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,835.68 : 204,038.08 = 84,164.64 : x
  2. Step 2: Convert to fraction form
    147,835.68/204,038.08 = 84,164.64/x
  3. Step 3: Cross multiply
    147,835.68x = 204,038.08 × 84,164.64
  4. Step 4: Simplify right side
    147,835.68x = 17,172,791,549.49
  5. Step 5: Solve for x
    x = 17,172,791,549.49/147,835.68
  6. Step 6: Final answer
    x = 116,161.35

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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.