Home / 113,729.81-156,915.64-73,445.27

Finding the Fourth Proportional to 113,729.81, 156,915.64 and 73,445.27

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Solution

The fourth proportional to 113,729.81, 156,915.64 and 73,445.27 is: 101,334.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,729.81 : 156,915.64 = 73,445.27 : x
  2. Step 2: Convert to fraction form
    113,729.81/156,915.64 = 73,445.27/x
  3. Step 3: Cross multiply
    113,729.81x = 156,915.64 × 73,445.27
  4. Step 4: Simplify right side
    113,729.81x = 11,524,711,547.02
  5. Step 5: Solve for x
    x = 11,524,711,547.02/113,729.81
  6. Step 6: Final answer
    x = 101,334.13

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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.