Home / 147,017.94-202,967.88-112,497.78

Finding the Fourth Proportional to 147,017.94, 202,967.88 and 112,497.78

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Solution

The fourth proportional to 147,017.94, 202,967.88 and 112,497.78 is: 155,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,017.94 : 202,967.88 = 112,497.78 : x
  2. Step 2: Convert to fraction form
    147,017.94/202,967.88 = 112,497.78/x
  3. Step 3: Cross multiply
    147,017.94x = 202,967.88 × 112,497.78
  4. Step 4: Simplify right side
    147,017.94x = 22,833,435,911.31
  5. Step 5: Solve for x
    x = 22,833,435,911.31/147,017.94
  6. Step 6: Final answer
    x = 155,310.54

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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.