Home / 118,723.26-163,838.36-64,276.01

Finding the Fourth Proportional to 118,723.26, 163,838.36 and 64,276.01

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Solution

The fourth proportional to 118,723.26, 163,838.36 and 64,276.01 is: 88,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,723.26 : 163,838.36 = 64,276.01 : x
  2. Step 2: Convert to fraction form
    118,723.26/163,838.36 = 64,276.01/x
  3. Step 3: Cross multiply
    118,723.26x = 163,838.36 × 64,276.01
  4. Step 4: Simplify right side
    118,723.26x = 10,530,874,925.17
  5. Step 5: Solve for x
    x = 10,530,874,925.17/118,723.26
  6. Step 6: Final answer
    x = 88,701.03

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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.