Home / 118,377.52-163,354.73-64,661.76

Finding the Fourth Proportional to 118,377.52, 163,354.73 and 64,661.76

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Solution

The fourth proportional to 118,377.52, 163,354.73 and 64,661.76 is: 89,229.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,377.52 : 163,354.73 = 64,661.76 : x
  2. Step 2: Convert to fraction form
    118,377.52/163,354.73 = 64,661.76/x
  3. Step 3: Cross multiply
    118,377.52x = 163,354.73 × 64,661.76
  4. Step 4: Simplify right side
    118,377.52x = 10,562,804,346.12
  5. Step 5: Solve for x
    x = 10,562,804,346.12/118,377.52
  6. Step 6: Final answer
    x = 89,229.82

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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.