Home / 113,030.56-169,153.36-70,318.44

Finding the Fourth Proportional to 113,030.56, 169,153.36 and 70,318.44

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Solution

The fourth proportional to 113,030.56, 169,153.36 and 70,318.44 is: 105,233.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,030.56 : 169,153.36 = 70,318.44 : x
  2. Step 2: Convert to fraction form
    113,030.56/169,153.36 = 70,318.44/x
  3. Step 3: Cross multiply
    113,030.56x = 169,153.36 × 70,318.44
  4. Step 4: Simplify right side
    113,030.56x = 11,894,600,395.96
  5. Step 5: Solve for x
    x = 11,894,600,395.96/113,030.56
  6. Step 6: Final answer
    x = 105,233.49

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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.