Home / 163,477.03-245,218.62-45,151.51

Finding the Fourth Proportional to 163,477.03, 245,218.62 and 45,151.51

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Solution

The fourth proportional to 163,477.03, 245,218.62 and 45,151.51 is: 67,728.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,477.03 : 245,218.62 = 45,151.51 : x
  2. Step 2: Convert to fraction form
    163,477.03/245,218.62 = 45,151.51/x
  3. Step 3: Cross multiply
    163,477.03x = 245,218.62 × 45,151.51
  4. Step 4: Simplify right side
    163,477.03x = 11,071,990,973.12
  5. Step 5: Solve for x
    x = 11,071,990,973.12/163,477.03
  6. Step 6: Final answer
    x = 67,728.11

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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.