Home / 113,461.94-156,508.40-69,861.51

Finding the Fourth Proportional to 113,461.94, 156,508.40 and 69,861.51

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Solution

The fourth proportional to 113,461.94, 156,508.40 and 69,861.51 is: 96,366.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,461.94 : 156,508.40 = 69,861.51 : x
  2. Step 2: Convert to fraction form
    113,461.94/156,508.40 = 69,861.51/x
  3. Step 3: Cross multiply
    113,461.94x = 156,508.40 × 69,861.51
  4. Step 4: Simplify right side
    113,461.94x = 10,933,913,151.68
  5. Step 5: Solve for x
    x = 10,933,913,151.68/113,461.94
  6. Step 6: Final answer
    x = 96,366.35

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1.5x scale

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.