Home / 156,861.18-235,187.75-57,009.51

Finding the Fourth Proportional to 156,861.18, 235,187.75 and 57,009.51

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Solution

The fourth proportional to 156,861.18, 235,187.75 and 57,009.51 is: 85,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,861.18 : 235,187.75 = 57,009.51 : x
  2. Step 2: Convert to fraction form
    156,861.18/235,187.75 = 57,009.51/x
  3. Step 3: Cross multiply
    156,861.18x = 235,187.75 × 57,009.51
  4. Step 4: Simplify right side
    156,861.18x = 13,407,938,528.03
  5. Step 5: Solve for x
    x = 13,407,938,528.03/156,861.18
  6. Step 6: Final answer
    x = 85,476.46

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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.