Home / 212,558.47-293,343.95-117,065.14

Finding the Fourth Proportional to 212,558.47, 293,343.95 and 117,065.14

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Solution

The fourth proportional to 212,558.47, 293,343.95 and 117,065.14 is: 161,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,558.47 : 293,343.95 = 117,065.14 : x
  2. Step 2: Convert to fraction form
    212,558.47/293,343.95 = 117,065.14/x
  3. Step 3: Cross multiply
    212,558.47x = 293,343.95 × 117,065.14
  4. Step 4: Simplify right side
    212,558.47x = 34,340,349,256.22
  5. Step 5: Solve for x
    x = 34,340,349,256.22/212,558.47
  6. Step 6: Final answer
    x = 161,557.19

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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.