Home / 108,541.90-162,812.85-97,828.30

Finding the Fourth Proportional to 108,541.90, 162,812.85 and 97,828.30

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Solution

The fourth proportional to 108,541.90, 162,812.85 and 97,828.30 is: 146,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,541.90 : 162,812.85 = 97,828.30 : x
  2. Step 2: Convert to fraction form
    108,541.90/162,812.85 = 97,828.30/x
  3. Step 3: Cross multiply
    108,541.90x = 162,812.85 × 97,828.30
  4. Step 4: Simplify right side
    108,541.90x = 15,927,704,333.66
  5. Step 5: Solve for x
    x = 15,927,704,333.66/108,541.90
  6. Step 6: Final answer
    x = 146,742.45

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1.5x scale

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.