Home / 163,853.31-245,875.46-69,077.67

Finding the Fourth Proportional to 163,853.31, 245,875.46 and 69,077.67

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Solution

The fourth proportional to 163,853.31, 245,875.46 and 69,077.67 is: 103,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,853.31 : 245,875.46 = 69,077.67 : x
  2. Step 2: Convert to fraction form
    163,853.31/245,875.46 = 69,077.67/x
  3. Step 3: Cross multiply
    163,853.31x = 245,875.46 × 69,077.67
  4. Step 4: Simplify right side
    163,853.31x = 16,984,503,886.98
  5. Step 5: Solve for x
    x = 16,984,503,886.98/163,853.31
  6. Step 6: Final answer
    x = 103,656.76

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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.