Home / 113,077.08-170,428.40-97,470.47

Finding the Fourth Proportional to 113,077.08, 170,428.40 and 97,470.47

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Solution

The fourth proportional to 113,077.08, 170,428.40 and 97,470.47 is: 146,906.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,077.08 : 170,428.40 = 97,470.47 : x
  2. Step 2: Convert to fraction form
    113,077.08/170,428.40 = 97,470.47/x
  3. Step 3: Cross multiply
    113,077.08x = 170,428.40 × 97,470.47
  4. Step 4: Simplify right side
    113,077.08x = 16,611,737,101.85
  5. Step 5: Solve for x
    x = 16,611,737,101.85/113,077.08
  6. Step 6: Final answer
    x = 146,906.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.