Home / 127,919.19-176,316.98-85,462.23

Finding the Fourth Proportional to 127,919.19, 176,316.98 and 85,462.23

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Solution

The fourth proportional to 127,919.19, 176,316.98 and 85,462.23 is: 117,796.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,919.19 : 176,316.98 = 85,462.23 : x
  2. Step 2: Convert to fraction form
    127,919.19/176,316.98 = 85,462.23/x
  3. Step 3: Cross multiply
    127,919.19x = 176,316.98 × 85,462.23
  4. Step 4: Simplify right side
    127,919.19x = 15,068,441,870.35
  5. Step 5: Solve for x
    x = 15,068,441,870.35/127,919.19
  6. Step 6: Final answer
    x = 117,796.57

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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.