Home / 117,531.40-176,232.30-47,331.40

Finding the Fourth Proportional to 117,531.40, 176,232.30 and 47,331.40

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Solution

The fourth proportional to 117,531.40, 176,232.30 and 47,331.40 is: 70,971.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,531.40 : 176,232.30 = 47,331.40 : x
  2. Step 2: Convert to fraction form
    117,531.40/176,232.30 = 47,331.40/x
  3. Step 3: Cross multiply
    117,531.40x = 176,232.30 × 47,331.40
  4. Step 4: Simplify right side
    117,531.40x = 8,341,321,484.22
  5. Step 5: Solve for x
    x = 8,341,321,484.22/117,531.40
  6. Step 6: Final answer
    x = 70,971.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.