Home / 163,955.14-245,967.27-53,138.50

Finding the Fourth Proportional to 163,955.14, 245,967.27 and 53,138.50

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Solution

The fourth proportional to 163,955.14, 245,967.27 and 53,138.50 is: 79,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,955.14 : 245,967.27 = 53,138.50 : x
  2. Step 2: Convert to fraction form
    163,955.14/245,967.27 = 53,138.50/x
  3. Step 3: Cross multiply
    163,955.14x = 245,967.27 × 53,138.50
  4. Step 4: Simplify right side
    163,955.14x = 13,070,331,776.90
  5. Step 5: Solve for x
    x = 13,070,331,776.90/163,955.14
  6. Step 6: Final answer
    x = 79,718.95

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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.