Home / 156,437.63-234,095.87-135,450.07

Finding the Fourth Proportional to 156,437.63, 234,095.87 and 135,450.07

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Solution

The fourth proportional to 156,437.63, 234,095.87 and 135,450.07 is: 202,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,437.63 : 234,095.87 = 135,450.07 : x
  2. Step 2: Convert to fraction form
    156,437.63/234,095.87 = 135,450.07/x
  3. Step 3: Cross multiply
    156,437.63x = 234,095.87 × 135,450.07
  4. Step 4: Simplify right side
    156,437.63x = 31,708,303,048.39
  5. Step 5: Solve for x
    x = 31,708,303,048.39/156,437.63
  6. Step 6: Final answer
    x = 202,689.74

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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.