Home / 118,277.04-163,115.76-75,827.28

Finding the Fourth Proportional to 118,277.04, 163,115.76 and 75,827.28

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Solution

The fourth proportional to 118,277.04, 163,115.76 and 75,827.28 is: 104,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,277.04 : 163,115.76 = 75,827.28 : x
  2. Step 2: Convert to fraction form
    118,277.04/163,115.76 = 75,827.28/x
  3. Step 3: Cross multiply
    118,277.04x = 163,115.76 × 75,827.28
  4. Step 4: Simplify right side
    118,277.04x = 12,368,624,405.93
  5. Step 5: Solve for x
    x = 12,368,624,405.93/118,277.04
  6. Step 6: Final answer
    x = 104,573.33

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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.