Home / 155,170.69-232,812.12-76,340.27

Finding the Fourth Proportional to 155,170.69, 232,812.12 and 76,340.27

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Solution

The fourth proportional to 155,170.69, 232,812.12 and 76,340.27 is: 114,538.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,170.69 : 232,812.12 = 76,340.27 : x
  2. Step 2: Convert to fraction form
    155,170.69/232,812.12 = 76,340.27/x
  3. Step 3: Cross multiply
    155,170.69x = 232,812.12 × 76,340.27
  4. Step 4: Simplify right side
    155,170.69x = 17,772,940,968.38
  5. Step 5: Solve for x
    x = 17,772,940,968.38/155,170.69
  6. Step 6: Final answer
    x = 114,538.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.