Home / 223,340.20-308,210.70-121,366.44

Finding the Fourth Proportional to 223,340.20, 308,210.70 and 121,366.44

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Solution

The fourth proportional to 223,340.20, 308,210.70 and 121,366.44 is: 167,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,340.20 : 308,210.70 = 121,366.44 : x
  2. Step 2: Convert to fraction form
    223,340.20/308,210.70 = 121,366.44/x
  3. Step 3: Cross multiply
    223,340.20x = 308,210.70 × 121,366.44
  4. Step 4: Simplify right side
    223,340.20x = 37,406,435,428.91
  5. Step 5: Solve for x
    x = 37,406,435,428.91/223,340.20
  6. Step 6: Final answer
    x = 167,486.35

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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.