Home / 113,567.36-156,726.20-63,269.60

Finding the Fourth Proportional to 113,567.36, 156,726.20 and 63,269.60

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Solution

The fourth proportional to 113,567.36, 156,726.20 and 63,269.60 is: 87,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,567.36 : 156,726.20 = 63,269.60 : x
  2. Step 2: Convert to fraction form
    113,567.36/156,726.20 = 63,269.60/x
  3. Step 3: Cross multiply
    113,567.36x = 156,726.20 × 63,269.60
  4. Step 4: Simplify right side
    113,567.36x = 9,916,003,667.17
  5. Step 5: Solve for x
    x = 9,916,003,667.17/113,567.36
  6. Step 6: Final answer
    x = 87,313.85

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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.