Home / 197,322.22-272,307.64-112,437.46

Finding the Fourth Proportional to 197,322.22, 272,307.64 and 112,437.46

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Solution

The fourth proportional to 197,322.22, 272,307.64 and 112,437.46 is: 155,165.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,322.22 : 272,307.64 = 112,437.46 : x
  2. Step 2: Convert to fraction form
    197,322.22/272,307.64 = 112,437.46/x
  3. Step 3: Cross multiply
    197,322.22x = 272,307.64 × 112,437.46
  4. Step 4: Simplify right side
    197,322.22x = 30,617,579,380.19
  5. Step 5: Solve for x
    x = 30,617,579,380.19/197,322.22
  6. Step 6: Final answer
    x = 155,165.39

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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.