Home / 194,737.40-292,106.10-128,252.60

Finding the Fourth Proportional to 194,737.40, 292,106.10 and 128,252.60

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Solution

The fourth proportional to 194,737.40, 292,106.10 and 128,252.60 is: 192,378.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,737.40 : 292,106.10 = 128,252.60 : x
  2. Step 2: Convert to fraction form
    194,737.40/292,106.10 = 128,252.60/x
  3. Step 3: Cross multiply
    194,737.40x = 292,106.10 × 128,252.60
  4. Step 4: Simplify right side
    194,737.40x = 37,463,366,800.86
  5. Step 5: Solve for x
    x = 37,463,366,800.86/194,737.40
  6. Step 6: Final answer
    x = 192,378.90

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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.