Home / 147,868.12-204,094.65-84,243.70

Finding the Fourth Proportional to 147,868.12, 204,094.65 and 84,243.70

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Solution

The fourth proportional to 147,868.12, 204,094.65 and 84,243.70 is: 116,277.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,868.12 : 204,094.65 = 84,243.70 : x
  2. Step 2: Convert to fraction form
    147,868.12/204,094.65 = 84,243.70/x
  3. Step 3: Cross multiply
    147,868.12x = 204,094.65 × 84,243.70
  4. Step 4: Simplify right side
    147,868.12x = 17,193,688,466.21
  5. Step 5: Solve for x
    x = 17,193,688,466.21/147,868.12
  6. Step 6: Final answer
    x = 116,277.18

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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.