Home / 152,814.78-229,225.01-52,978.23

Finding the Fourth Proportional to 152,814.78, 229,225.01 and 52,978.23

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Solution

The fourth proportional to 152,814.78, 229,225.01 and 52,978.23 is: 79,468.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,814.78 : 229,225.01 = 52,978.23 : x
  2. Step 2: Convert to fraction form
    152,814.78/229,225.01 = 52,978.23/x
  3. Step 3: Cross multiply
    152,814.78x = 229,225.01 × 52,978.23
  4. Step 4: Simplify right side
    152,814.78x = 12,143,935,036.64
  5. Step 5: Solve for x
    x = 12,143,935,036.64/152,814.78
  6. Step 6: Final answer
    x = 79,468.33

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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.