Home / 123,457.15-185,254.37-60,278.06

Finding the Fourth Proportional to 123,457.15, 185,254.37 and 60,278.06

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Solution

The fourth proportional to 123,457.15, 185,254.37 and 60,278.06 is: 90,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,457.15 : 185,254.37 = 60,278.06 : x
  2. Step 2: Convert to fraction form
    123,457.15/185,254.37 = 60,278.06/x
  3. Step 3: Cross multiply
    123,457.15x = 185,254.37 × 60,278.06
  4. Step 4: Simplify right side
    123,457.15x = 11,166,774,030.12
  5. Step 5: Solve for x
    x = 11,166,774,030.12/123,457.15
  6. Step 6: Final answer
    x = 90,450.61

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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.