Home / 118,371.60-163,352.63-64,656.62

Finding the Fourth Proportional to 118,371.60, 163,352.63 and 64,656.62

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Solution

The fourth proportional to 118,371.60, 163,352.63 and 64,656.62 is: 89,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,371.60 : 163,352.63 = 64,656.62 : x
  2. Step 2: Convert to fraction form
    118,371.60/163,352.63 = 64,656.62/x
  3. Step 3: Cross multiply
    118,371.60x = 163,352.63 × 64,656.62
  4. Step 4: Simplify right side
    118,371.60x = 10,561,828,923.91
  5. Step 5: Solve for x
    x = 10,561,828,923.91/118,371.60
  6. Step 6: Final answer
    x = 89,226.04

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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.