Home / 118,295.04-163,248-64,581.12

Finding the Fourth Proportional to 118,295.04, 163,248 and 64,581.12

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Solution

The fourth proportional to 118,295.04, 163,248 and 64,581.12 is: 89,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,295.04 : 163,248 = 64,581.12 : x
  2. Step 2: Convert to fraction form
    118,295.04/163,248 = 64,581.12/x
  3. Step 3: Cross multiply
    118,295.04x = 163,248 × 64,581.12
  4. Step 4: Simplify right side
    118,295.04x = 10,542,738,677.76
  5. Step 5: Solve for x
    x = 10,542,738,677.76/118,295.04
  6. Step 6: Final answer
    x = 89,122.41

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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.