Home / 163,959.14-245,973.27-53,142.50

Finding the Fourth Proportional to 163,959.14, 245,973.27 and 53,142.50

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Solution

The fourth proportional to 163,959.14, 245,973.27 and 53,142.50 is: 79,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,959.14 : 245,973.27 = 53,142.50 : x
  2. Step 2: Convert to fraction form
    163,959.14/245,973.27 = 53,142.50/x
  3. Step 3: Cross multiply
    163,959.14x = 245,973.27 × 53,142.50
  4. Step 4: Simplify right side
    163,959.14x = 13,071,634,500.98
  5. Step 5: Solve for x
    x = 13,071,634,500.98/163,959.14
  6. Step 6: Final answer
    x = 79,724.95

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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.