Home / 118,155.19-163,047.67-67,160.83

Finding the Fourth Proportional to 118,155.19, 163,047.67 and 67,160.83

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Solution

The fourth proportional to 118,155.19, 163,047.67 and 67,160.83 is: 92,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,155.19 : 163,047.67 = 67,160.83 : x
  2. Step 2: Convert to fraction form
    118,155.19/163,047.67 = 67,160.83/x
  3. Step 3: Cross multiply
    118,155.19x = 163,047.67 × 67,160.83
  4. Step 4: Simplify right side
    118,155.19x = 10,950,416,846.77
  5. Step 5: Solve for x
    x = 10,950,416,846.77/118,155.19
  6. Step 6: Final answer
    x = 92,678.26

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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.