Home / 220,541.46-304,078.23-186,489.06

Finding the Fourth Proportional to 220,541.46, 304,078.23 and 186,489.06

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Solution

The fourth proportional to 220,541.46, 304,078.23 and 186,489.06 is: 257,127.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,541.46 : 304,078.23 = 186,489.06 : x
  2. Step 2: Convert to fraction form
    220,541.46/304,078.23 = 186,489.06/x
  3. Step 3: Cross multiply
    220,541.46x = 304,078.23 × 186,489.06
  4. Step 4: Simplify right side
    220,541.46x = 56,707,263,279.16
  5. Step 5: Solve for x
    x = 56,707,263,279.16/220,541.46
  6. Step 6: Final answer
    x = 257,127.45

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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.