Home / 113,665.48-156,852.66-63,354.76

Finding the Fourth Proportional to 113,665.48, 156,852.66 and 63,354.76

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Solution

The fourth proportional to 113,665.48, 156,852.66 and 63,354.76 is: 87,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,665.48 : 156,852.66 = 63,354.76 : x
  2. Step 2: Convert to fraction form
    113,665.48/156,852.66 = 63,354.76/x
  3. Step 3: Cross multiply
    113,665.48x = 156,852.66 × 63,354.76
  4. Step 4: Simplify right side
    113,665.48x = 9,937,362,629.66
  5. Step 5: Solve for x
    x = 9,937,362,629.66/113,665.48
  6. Step 6: Final answer
    x = 87,426.39

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Double scale
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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.