Home / 163,804.13-245,707.55-45,484.68

Finding the Fourth Proportional to 163,804.13, 245,707.55 and 45,484.68

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Solution

The fourth proportional to 163,804.13, 245,707.55 and 45,484.68 is: 68,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,804.13 : 245,707.55 = 45,484.68 : x
  2. Step 2: Convert to fraction form
    163,804.13/245,707.55 = 45,484.68/x
  3. Step 3: Cross multiply
    163,804.13x = 245,707.55 × 45,484.68
  4. Step 4: Simplify right side
    163,804.13x = 11,175,929,057.91
  5. Step 5: Solve for x
    x = 11,175,929,057.91/163,804.13
  6. Step 6: Final answer
    x = 68,227.40

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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.