Home / 223,392.18-308,284.34-121,417.61

Finding the Fourth Proportional to 223,392.18, 308,284.34 and 121,417.61

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Solution

The fourth proportional to 223,392.18, 308,284.34 and 121,417.61 is: 167,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,392.18 : 308,284.34 = 121,417.61 : x
  2. Step 2: Convert to fraction form
    223,392.18/308,284.34 = 121,417.61/x
  3. Step 3: Cross multiply
    223,392.18x = 308,284.34 × 121,417.61
  4. Step 4: Simplify right side
    223,392.18x = 37,431,147,763.23
  5. Step 5: Solve for x
    x = 37,431,147,763.23/223,392.18
  6. Step 6: Final answer
    x = 167,558.00

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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.