Home / 209,870.06-289,612.23-114,374.69

Finding the Fourth Proportional to 209,870.06, 289,612.23 and 114,374.69

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Solution

The fourth proportional to 209,870.06, 289,612.23 and 114,374.69 is: 157,832.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,870.06 : 289,612.23 = 114,374.69 : x
  2. Step 2: Convert to fraction form
    209,870.06/289,612.23 = 114,374.69/x
  3. Step 3: Cross multiply
    209,870.06x = 289,612.23 × 114,374.69
  4. Step 4: Simplify right side
    209,870.06x = 33,124,309,026.46
  5. Step 5: Solve for x
    x = 33,124,309,026.46/209,870.06
  6. Step 6: Final answer
    x = 157,832.47

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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.