Home / 223,382.73-308,271.24-121,410.21

Finding the Fourth Proportional to 223,382.73, 308,271.24 and 121,410.21

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Solution

The fourth proportional to 223,382.73, 308,271.24 and 121,410.21 is: 167,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,382.73 : 308,271.24 = 121,410.21 : x
  2. Step 2: Convert to fraction form
    223,382.73/308,271.24 = 121,410.21/x
  3. Step 3: Cross multiply
    223,382.73x = 308,271.24 × 121,410.21
  4. Step 4: Simplify right side
    223,382.73x = 37,427,275,985.36
  5. Step 5: Solve for x
    x = 37,427,275,985.36/223,382.73
  6. Step 6: Final answer
    x = 167,547.76

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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.