Home / 163,949.12-245,875.04-70,433.04

Finding the Fourth Proportional to 163,949.12, 245,875.04 and 70,433.04

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Solution

The fourth proportional to 163,949.12, 245,875.04 and 70,433.04 is: 105,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,949.12 : 245,875.04 = 70,433.04 : x
  2. Step 2: Convert to fraction form
    163,949.12/245,875.04 = 70,433.04/x
  3. Step 3: Cross multiply
    163,949.12x = 245,875.04 × 70,433.04
  4. Step 4: Simplify right side
    163,949.12x = 17,317,726,527.32
  5. Step 5: Solve for x
    x = 17,317,726,527.32/163,949.12
  6. Step 6: Final answer
    x = 105,628.66

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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.