Home / 147,943.80-221,915.70-105,953.40

Finding the Fourth Proportional to 147,943.80, 221,915.70 and 105,953.40

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Solution

The fourth proportional to 147,943.80, 221,915.70 and 105,953.40 is: 158,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,943.80 : 221,915.70 = 105,953.40 : x
  2. Step 2: Convert to fraction form
    147,943.80/221,915.70 = 105,953.40/x
  3. Step 3: Cross multiply
    147,943.80x = 221,915.70 × 105,953.40
  4. Step 4: Simplify right side
    147,943.80x = 23,512,722,928.38
  5. Step 5: Solve for x
    x = 23,512,722,928.38/147,943.80
  6. Step 6: Final answer
    x = 158,930.10

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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.