Home / 137,837.67-190,288.23-92,752.71

Finding the Fourth Proportional to 137,837.67, 190,288.23 and 92,752.71

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Solution

The fourth proportional to 137,837.67, 190,288.23 and 92,752.71 is: 128,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,837.67 : 190,288.23 = 92,752.71 : x
  2. Step 2: Convert to fraction form
    137,837.67/190,288.23 = 92,752.71/x
  3. Step 3: Cross multiply
    137,837.67x = 190,288.23 × 92,752.71
  4. Step 4: Simplify right side
    137,837.67x = 17,649,747,598.40
  5. Step 5: Solve for x
    x = 17,649,747,598.40/137,837.67
  6. Step 6: Final answer
    x = 128,047.35

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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.