Home / 153,563.12-212,047.70-96,298.35

Finding the Fourth Proportional to 153,563.12, 212,047.70 and 96,298.35

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Solution

The fourth proportional to 153,563.12, 212,047.70 and 96,298.35 is: 132,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,563.12 : 212,047.70 = 96,298.35 : x
  2. Step 2: Convert to fraction form
    153,563.12/212,047.70 = 96,298.35/x
  3. Step 3: Cross multiply
    153,563.12x = 212,047.70 × 96,298.35
  4. Step 4: Simplify right side
    153,563.12x = 20,419,843,631.30
  5. Step 5: Solve for x
    x = 20,419,843,631.30/153,563.12
  6. Step 6: Final answer
    x = 132,973.62

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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.