Home / 245,527.63-338,826.80-138,095.35

Finding the Fourth Proportional to 245,527.63, 338,826.80 and 138,095.35

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Solution

The fourth proportional to 245,527.63, 338,826.80 and 138,095.35 is: 190,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,527.63 : 338,826.80 = 138,095.35 : x
  2. Step 2: Convert to fraction form
    245,527.63/338,826.80 = 138,095.35/x
  3. Step 3: Cross multiply
    245,527.63x = 338,826.80 × 138,095.35
  4. Step 4: Simplify right side
    245,527.63x = 46,790,405,033.55
  5. Step 5: Solve for x
    x = 46,790,405,033.55/245,527.63
  6. Step 6: Final answer
    x = 190,570.84

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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.