Home / 212,623.38-293,409.36-117,127.98

Finding the Fourth Proportional to 212,623.38, 293,409.36 and 117,127.98

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Solution

The fourth proportional to 212,623.38, 293,409.36 and 117,127.98 is: 161,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,623.38 : 293,409.36 = 117,127.98 : x
  2. Step 2: Convert to fraction form
    212,623.38/293,409.36 = 117,127.98/x
  3. Step 3: Cross multiply
    212,623.38x = 293,409.36 × 117,127.98
  4. Step 4: Simplify right side
    212,623.38x = 34,366,445,649.89
  5. Step 5: Solve for x
    x = 34,366,445,649.89/212,623.38
  6. Step 6: Final answer
    x = 161,630.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.