Home / 118,317.64-163,277.10-64,602.49

Finding the Fourth Proportional to 118,317.64, 163,277.10 and 64,602.49

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Solution

The fourth proportional to 118,317.64, 163,277.10 and 64,602.49 is: 89,150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,317.64 : 163,277.10 = 64,602.49 : x
  2. Step 2: Convert to fraction form
    118,317.64/163,277.10 = 64,602.49/x
  3. Step 3: Cross multiply
    118,317.64x = 163,277.10 × 64,602.49
  4. Step 4: Simplify right side
    118,317.64x = 10,548,106,080.58
  5. Step 5: Solve for x
    x = 10,548,106,080.58/118,317.64
  6. Step 6: Final answer
    x = 89,150.75

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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.