Home / 124,666.02-187,015.20-57,181.78

Finding the Fourth Proportional to 124,666.02, 187,015.20 and 57,181.78

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Solution

The fourth proportional to 124,666.02, 187,015.20 and 57,181.78 is: 85,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,666.02 : 187,015.20 = 57,181.78 : x
  2. Step 2: Convert to fraction form
    124,666.02/187,015.20 = 57,181.78/x
  3. Step 3: Cross multiply
    124,666.02x = 187,015.20 × 57,181.78
  4. Step 4: Simplify right side
    124,666.02x = 10,693,860,802.07
  5. Step 5: Solve for x
    x = 10,693,860,802.07/124,666.02
  6. Step 6: Final answer
    x = 85,780.08

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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.