Home / 152,984.63-229,282.23-86,461.85

Finding the Fourth Proportional to 152,984.63, 229,282.23 and 86,461.85

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Solution

The fourth proportional to 152,984.63, 229,282.23 and 86,461.85 is: 129,582.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,984.63 : 229,282.23 = 86,461.85 : x
  2. Step 2: Convert to fraction form
    152,984.63/229,282.23 = 86,461.85/x
  3. Step 3: Cross multiply
    152,984.63x = 229,282.23 × 86,461.85
  4. Step 4: Simplify right side
    152,984.63x = 19,824,165,777.93
  5. Step 5: Solve for x
    x = 19,824,165,777.93/152,984.63
  6. Step 6: Final answer
    x = 129,582.73

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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.