Home / 127,746.55-176,290.28-74,062.72

Finding the Fourth Proportional to 127,746.55, 176,290.28 and 74,062.72

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Solution

The fourth proportional to 127,746.55, 176,290.28 and 74,062.72 is: 102,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,746.55 : 176,290.28 = 74,062.72 : x
  2. Step 2: Convert to fraction form
    127,746.55/176,290.28 = 74,062.72/x
  3. Step 3: Cross multiply
    127,746.55x = 176,290.28 × 74,062.72
  4. Step 4: Simplify right side
    127,746.55x = 13,056,537,646.36
  5. Step 5: Solve for x
    x = 13,056,537,646.36/127,746.55
  6. Step 6: Final answer
    x = 102,206.58

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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.