Home / 163,623.15-245,421.75-58,431.15

Finding the Fourth Proportional to 163,623.15, 245,421.75 and 58,431.15

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Solution

The fourth proportional to 163,623.15, 245,421.75 and 58,431.15 is: 87,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,623.15 : 245,421.75 = 58,431.15 : x
  2. Step 2: Convert to fraction form
    163,623.15/245,421.75 = 58,431.15/x
  3. Step 3: Cross multiply
    163,623.15x = 245,421.75 × 58,431.15
  4. Step 4: Simplify right side
    163,623.15x = 14,340,275,087.51
  5. Step 5: Solve for x
    x = 14,340,275,087.51/163,623.15
  6. Step 6: Final answer
    x = 87,642.09

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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.