Home / 183,443.42-253,157.46-102,878.40

Finding the Fourth Proportional to 183,443.42, 253,157.46 and 102,878.40

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Solution

The fourth proportional to 183,443.42, 253,157.46 and 102,878.40 is: 141,975.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,443.42 : 253,157.46 = 102,878.40 : x
  2. Step 2: Convert to fraction form
    183,443.42/253,157.46 = 102,878.40/x
  3. Step 3: Cross multiply
    183,443.42x = 253,157.46 × 102,878.40
  4. Step 4: Simplify right side
    183,443.42x = 26,044,434,432.86
  5. Step 5: Solve for x
    x = 26,044,434,432.86/183,443.42
  6. Step 6: Final answer
    x = 141,975.30

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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.