Home / 118,179.83-163,089.21-64,465.09

Finding the Fourth Proportional to 118,179.83, 163,089.21 and 64,465.09

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Solution

The fourth proportional to 118,179.83, 163,089.21 and 64,465.09 is: 88,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.83 : 163,089.21 = 64,465.09 : x
  2. Step 2: Convert to fraction form
    118,179.83/163,089.21 = 64,465.09/x
  3. Step 3: Cross multiply
    118,179.83x = 163,089.21 × 64,465.09
  4. Step 4: Simplify right side
    118,179.83x = 10,513,559,462.91
  5. Step 5: Solve for x
    x = 10,513,559,462.91/118,179.83
  6. Step 6: Final answer
    x = 88,962.38

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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.