Home / 343,186.47-514,746.90-209,998.17

Finding the Fourth Proportional to 343,186.47, 514,746.90 and 209,998.17

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Solution

The fourth proportional to 343,186.47, 514,746.90 and 209,998.17 is: 314,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,186.47 : 514,746.90 = 209,998.17 : x
  2. Step 2: Convert to fraction form
    343,186.47/514,746.90 = 209,998.17/x
  3. Step 3: Cross multiply
    343,186.47x = 514,746.90 × 209,998.17
  4. Step 4: Simplify right side
    343,186.47x = 108,095,907,013.17
  5. Step 5: Solve for x
    x = 108,095,907,013.17/343,186.47
  6. Step 6: Final answer
    x = 314,977.18

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1.5x scale

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.