Home / 413,158.23-619,666.07-109,554.53

Finding the Fourth Proportional to 413,158.23, 619,666.07 and 109,554.53

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Solution

The fourth proportional to 413,158.23, 619,666.07 and 109,554.53 is: 164,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,158.23 : 619,666.07 = 109,554.53 : x
  2. Step 2: Convert to fraction form
    413,158.23/619,666.07 = 109,554.53/x
  3. Step 3: Cross multiply
    413,158.23x = 619,666.07 × 109,554.53
  4. Step 4: Simplify right side
    413,158.23x = 67,887,221,409.69
  5. Step 5: Solve for x
    x = 67,887,221,409.69/413,158.23
  6. Step 6: Final answer
    x = 164,312.89

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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.