Home / 288,312.48-432,623.79-119,948.94

Finding the Fourth Proportional to 288,312.48, 432,623.79 and 119,948.94

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Solution

The fourth proportional to 288,312.48, 432,623.79 and 119,948.94 is: 179,987.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,312.48 : 432,623.79 = 119,948.94 : x
  2. Step 2: Convert to fraction form
    288,312.48/432,623.79 = 119,948.94/x
  3. Step 3: Cross multiply
    288,312.48x = 432,623.79 × 119,948.94
  4. Step 4: Simplify right side
    288,312.48x = 51,892,765,029.28
  5. Step 5: Solve for x
    x = 51,892,765,029.28/288,312.48
  6. Step 6: Final answer
    x = 179,987.93

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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.