Home / 118,346.48-163,319.45-64,633.08

Finding the Fourth Proportional to 118,346.48, 163,319.45 and 64,633.08

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Solution

The fourth proportional to 118,346.48, 163,319.45 and 64,633.08 is: 89,194.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,346.48 : 163,319.45 = 64,633.08 : x
  2. Step 2: Convert to fraction form
    118,346.48/163,319.45 = 64,633.08/x
  3. Step 3: Cross multiply
    118,346.48x = 163,319.45 × 64,633.08
  4. Step 4: Simplify right side
    118,346.48x = 10,555,839,077.41
  5. Step 5: Solve for x
    x = 10,555,839,077.41/118,346.48
  6. Step 6: Final answer
    x = 89,194.36

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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.