Home / 127,701.51-176,226.48-70,339.70

Finding the Fourth Proportional to 127,701.51, 176,226.48 and 70,339.70

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Solution

The fourth proportional to 127,701.51, 176,226.48 and 70,339.70 is: 97,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.51 : 176,226.48 = 70,339.70 : x
  2. Step 2: Convert to fraction form
    127,701.51/176,226.48 = 70,339.70/x
  3. Step 3: Cross multiply
    127,701.51x = 176,226.48 × 70,339.70
  4. Step 4: Simplify right side
    127,701.51x = 12,395,716,854.12
  5. Step 5: Solve for x
    x = 12,395,716,854.12/127,701.51
  6. Step 6: Final answer
    x = 97,067.90

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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.