Home / 163,720.37-245,588.75-58,539.35

Finding the Fourth Proportional to 163,720.37, 245,588.75 and 58,539.35

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Solution

The fourth proportional to 163,720.37, 245,588.75 and 58,539.35 is: 87,811.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,720.37 : 245,588.75 = 58,539.35 : x
  2. Step 2: Convert to fraction form
    163,720.37/245,588.75 = 58,539.35/x
  3. Step 3: Cross multiply
    163,720.37x = 245,588.75 × 58,539.35
  4. Step 4: Simplify right side
    163,720.37x = 14,376,604,271.67
  5. Step 5: Solve for x
    x = 14,376,604,271.67/163,720.37
  6. Step 6: Final answer
    x = 87,811.95

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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.