Home / 194,830.60-292,245.90-70,155.40

Finding the Fourth Proportional to 194,830.60, 292,245.90 and 70,155.40

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Solution

The fourth proportional to 194,830.60, 292,245.90 and 70,155.40 is: 105,233.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,830.60 : 292,245.90 = 70,155.40 : x
  2. Step 2: Convert to fraction form
    194,830.60/292,245.90 = 70,155.40/x
  3. Step 3: Cross multiply
    194,830.60x = 292,245.90 × 70,155.40
  4. Step 4: Simplify right side
    194,830.60x = 20,502,628,012.86
  5. Step 5: Solve for x
    x = 20,502,628,012.86/194,830.60
  6. Step 6: Final answer
    x = 105,233.10

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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.