Home / 118,230.08-163,153.13-64,513.94

Finding the Fourth Proportional to 118,230.08, 163,153.13 and 64,513.94

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Solution

The fourth proportional to 118,230.08, 163,153.13 and 64,513.94 is: 89,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,230.08 : 163,153.13 = 64,513.94 : x
  2. Step 2: Convert to fraction form
    118,230.08/163,153.13 = 64,513.94/x
  3. Step 3: Cross multiply
    118,230.08x = 163,153.13 × 64,513.94
  4. Step 4: Simplify right side
    118,230.08x = 10,525,650,585.15
  5. Step 5: Solve for x
    x = 10,525,650,585.15/118,230.08
  6. Step 6: Final answer
    x = 89,026.85

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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.