Home / 118,178.42-163,088.49-64,465.38

Finding the Fourth Proportional to 118,178.42, 163,088.49 and 64,465.38

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Solution

The fourth proportional to 118,178.42, 163,088.49 and 64,465.38 is: 88,963.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,178.42 : 163,088.49 = 64,465.38 : x
  2. Step 2: Convert to fraction form
    118,178.42/163,088.49 = 64,465.38/x
  3. Step 3: Cross multiply
    118,178.42x = 163,088.49 × 64,465.38
  4. Step 4: Simplify right side
    118,178.42x = 10,513,561,481.48
  5. Step 5: Solve for x
    x = 10,513,561,481.48/118,178.42
  6. Step 6: Final answer
    x = 88,963.47

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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.