Home / 268,547.73-370,588.47-147,689.02

Finding the Fourth Proportional to 268,547.73, 370,588.47 and 147,689.02

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Solution

The fourth proportional to 268,547.73, 370,588.47 and 147,689.02 is: 203,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,547.73 : 370,588.47 = 147,689.02 : x
  2. Step 2: Convert to fraction form
    268,547.73/370,588.47 = 147,689.02/x
  3. Step 3: Cross multiply
    268,547.73x = 370,588.47 × 147,689.02
  4. Step 4: Simplify right side
    268,547.73x = 54,731,847,957.60
  5. Step 5: Solve for x
    x = 54,731,847,957.60/268,547.73
  6. Step 6: Final answer
    x = 203,806.78

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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.