Home / 315,218.84-473,080.22-163,459.04

Finding the Fourth Proportional to 315,218.84, 473,080.22 and 163,459.04

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Solution

The fourth proportional to 315,218.84, 473,080.22 and 163,459.04 is: 245,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,218.84 : 473,080.22 = 163,459.04 : x
  2. Step 2: Convert to fraction form
    315,218.84/473,080.22 = 163,459.04/x
  3. Step 3: Cross multiply
    315,218.84x = 473,080.22 × 163,459.04
  4. Step 4: Simplify right side
    315,218.84x = 77,329,238,604.19
  5. Step 5: Solve for x
    x = 77,329,238,604.19/315,218.84
  6. Step 6: Final answer
    x = 245,319.22

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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.