Home / 152,939.46-229,403.10-53,122.34

Finding the Fourth Proportional to 152,939.46, 229,403.10 and 53,122.34

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Solution

The fourth proportional to 152,939.46, 229,403.10 and 53,122.34 is: 79,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,939.46 : 229,403.10 = 53,122.34 : x
  2. Step 2: Convert to fraction form
    152,939.46/229,403.10 = 53,122.34/x
  3. Step 3: Cross multiply
    152,939.46x = 229,403.10 × 53,122.34
  4. Step 4: Simplify right side
    152,939.46x = 12,186,429,475.25
  5. Step 5: Solve for x
    x = 12,186,429,475.25/152,939.46
  6. Step 6: Final answer
    x = 79,681.39

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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.