Home / 147,460.26-203,510.16-87,050.46

Finding the Fourth Proportional to 147,460.26, 203,510.16 and 87,050.46

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Solution

The fourth proportional to 147,460.26, 203,510.16 and 87,050.46 is: 120,138.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,460.26 : 203,510.16 = 87,050.46 : x
  2. Step 2: Convert to fraction form
    147,460.26/203,510.16 = 87,050.46/x
  3. Step 3: Cross multiply
    147,460.26x = 203,510.16 × 87,050.46
  4. Step 4: Simplify right side
    147,460.26x = 17,715,653,042.67
  5. Step 5: Solve for x
    x = 17,715,653,042.67/147,460.26
  6. Step 6: Final answer
    x = 120,138.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.