Home / 156,888.39-235,360.80-57,188.46

Finding the Fourth Proportional to 156,888.39, 235,360.80 and 57,188.46

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Solution

The fourth proportional to 156,888.39, 235,360.80 and 57,188.46 is: 85,792.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,888.39 : 235,360.80 = 57,188.46 : x
  2. Step 2: Convert to fraction form
    156,888.39/235,360.80 = 57,188.46/x
  3. Step 3: Cross multiply
    156,888.39x = 235,360.80 × 57,188.46
  4. Step 4: Simplify right side
    156,888.39x = 13,459,921,696.37
  5. Step 5: Solve for x
    x = 13,459,921,696.37/156,888.39
  6. Step 6: Final answer
    x = 85,792.97

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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.