Home / 118,256.74-163,194.75-64,542.94

Finding the Fourth Proportional to 118,256.74, 163,194.75 and 64,542.94

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Solution

The fourth proportional to 118,256.74, 163,194.75 and 64,542.94 is: 89,069.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,256.74 : 163,194.75 = 64,542.94 : x
  2. Step 2: Convert to fraction form
    118,256.74/163,194.75 = 64,542.94/x
  3. Step 3: Cross multiply
    118,256.74x = 163,194.75 × 64,542.94
  4. Step 4: Simplify right side
    118,256.74x = 10,533,068,549.58
  5. Step 5: Solve for x
    x = 10,533,068,549.58/118,256.74
  6. Step 6: Final answer
    x = 89,069.50

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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.