Home / 108,446.14-162,386.27-87,270.52

Finding the Fourth Proportional to 108,446.14, 162,386.27 and 87,270.52

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Solution

The fourth proportional to 108,446.14, 162,386.27 and 87,270.52 is: 130,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,446.14 : 162,386.27 = 87,270.52 : x
  2. Step 2: Convert to fraction form
    108,446.14/162,386.27 = 87,270.52/x
  3. Step 3: Cross multiply
    108,446.14x = 162,386.27 × 87,270.52
  4. Step 4: Simplify right side
    108,446.14x = 14,171,533,411.83
  5. Step 5: Solve for x
    x = 14,171,533,411.83/108,446.14
  6. Step 6: Final answer
    x = 130,678.08

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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.