Home / 212,837.09-293,717.16-117,347.18

Finding the Fourth Proportional to 212,837.09, 293,717.16 and 117,347.18

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Solution

The fourth proportional to 212,837.09, 293,717.16 and 117,347.18 is: 161,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,837.09 : 293,717.16 = 117,347.18 : x
  2. Step 2: Convert to fraction form
    212,837.09/293,717.16 = 117,347.18/x
  3. Step 3: Cross multiply
    212,837.09x = 293,717.16 × 117,347.18
  4. Step 4: Simplify right side
    212,837.09x = 34,466,878,975.02
  5. Step 5: Solve for x
    x = 34,466,878,975.02/212,837.09
  6. Step 6: Final answer
    x = 161,940.19

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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.