Home / 222,915.40-334,421.70-73,130.20

Finding the Fourth Proportional to 222,915.40, 334,421.70 and 73,130.20

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Solution

The fourth proportional to 222,915.40, 334,421.70 and 73,130.20 is: 109,711.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,915.40 : 334,421.70 = 73,130.20 : x
  2. Step 2: Convert to fraction form
    222,915.40/334,421.70 = 73,130.20/x
  3. Step 3: Cross multiply
    222,915.40x = 334,421.70 × 73,130.20
  4. Step 4: Simplify right side
    222,915.40x = 24,456,325,805.34
  5. Step 5: Solve for x
    x = 24,456,325,805.34/222,915.40
  6. Step 6: Final answer
    x = 109,711.24

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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.