Home / 118,179.51-163,088.22-64,465.68

Finding the Fourth Proportional to 118,179.51, 163,088.22 and 64,465.68

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Solution

The fourth proportional to 118,179.51, 163,088.22 and 64,465.68 is: 88,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.51 : 163,088.22 = 64,465.68 : x
  2. Step 2: Convert to fraction form
    118,179.51/163,088.22 = 64,465.68/x
  3. Step 3: Cross multiply
    118,179.51x = 163,088.22 × 64,465.68
  4. Step 4: Simplify right side
    118,179.51x = 10,513,593,002.29
  5. Step 5: Solve for x
    x = 10,513,593,002.29/118,179.51
  6. Step 6: Final answer
    x = 88,962.91

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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.