Home / 100,875.02-151,234.56-50,929.40

Finding the Fourth Proportional to 100,875.02, 151,234.56 and 50,929.40

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Solution

The fourth proportional to 100,875.02, 151,234.56 and 50,929.40 is: 76,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,875.02 : 151,234.56 = 50,929.40 : x
  2. Step 2: Convert to fraction form
    100,875.02/151,234.56 = 50,929.40/x
  3. Step 3: Cross multiply
    100,875.02x = 151,234.56 × 50,929.40
  4. Step 4: Simplify right side
    100,875.02x = 7,702,285,778.15
  5. Step 5: Solve for x
    x = 7,702,285,778.15/100,875.02
  6. Step 6: Final answer
    x = 76,354.74

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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.