Home / 163,973.46-245,988.18-75,234.54

Finding the Fourth Proportional to 163,973.46, 245,988.18 and 75,234.54

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Solution

The fourth proportional to 163,973.46, 245,988.18 and 75,234.54 is: 112,864.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,973.46 : 245,988.18 = 75,234.54 : x
  2. Step 2: Convert to fraction form
    163,973.46/245,988.18 = 75,234.54/x
  3. Step 3: Cross multiply
    163,973.46x = 245,988.18 × 75,234.54
  4. Step 4: Simplify right side
    163,973.46x = 18,506,807,567.74
  5. Step 5: Solve for x
    x = 18,506,807,567.74/163,973.46
  6. Step 6: Final answer
    x = 112,864.65

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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.