Home / 127,746.42-176,290.08-74,062.60

Finding the Fourth Proportional to 127,746.42, 176,290.08 and 74,062.60

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Solution

The fourth proportional to 127,746.42, 176,290.08 and 74,062.60 is: 102,206.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.42 : 176,290.08 = 74,062.60 : x
  2. Step 2: Convert to fraction form
    127,746.42/176,290.08 = 74,062.60/x
  3. Step 3: Cross multiply
    127,746.42x = 176,290.08 × 74,062.60
  4. Step 4: Simplify right side
    127,746.42x = 13,056,501,679.01
  5. Step 5: Solve for x
    x = 13,056,501,679.01/127,746.42
  6. Step 6: Final answer
    x = 102,206.40

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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.