Home / 153,107.82-229,666.86-53,276.40

Finding the Fourth Proportional to 153,107.82, 229,666.86 and 53,276.40

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Solution

The fourth proportional to 153,107.82, 229,666.86 and 53,276.40 is: 79,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,107.82 : 229,666.86 = 53,276.40 : x
  2. Step 2: Convert to fraction form
    153,107.82/229,666.86 = 53,276.40/x
  3. Step 3: Cross multiply
    153,107.82x = 229,666.86 × 53,276.40
  4. Step 4: Simplify right side
    153,107.82x = 12,235,823,500.10
  5. Step 5: Solve for x
    x = 12,235,823,500.10/153,107.82
  6. Step 6: Final answer
    x = 79,916.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.