Home / 297,021.16-445,428-119,482.12

Finding the Fourth Proportional to 297,021.16, 445,428 and 119,482.12

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Solution

The fourth proportional to 297,021.16, 445,428 and 119,482.12 is: 179,181.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,021.16 : 445,428 = 119,482.12 : x
  2. Step 2: Convert to fraction form
    297,021.16/445,428 = 119,482.12/x
  3. Step 3: Cross multiply
    297,021.16x = 445,428 × 119,482.12
  4. Step 4: Simplify right side
    297,021.16x = 53,220,681,747.36
  5. Step 5: Solve for x
    x = 53,220,681,747.36/297,021.16
  6. Step 6: Final answer
    x = 179,181.45

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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.