Home / 156,402.64-234,567.97-93,240.60

Finding the Fourth Proportional to 156,402.64, 234,567.97 and 93,240.60

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Solution

The fourth proportional to 156,402.64, 234,567.97 and 93,240.60 is: 139,839.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,402.64 : 234,567.97 = 93,240.60 : x
  2. Step 2: Convert to fraction form
    156,402.64/234,567.97 = 93,240.60/x
  3. Step 3: Cross multiply
    156,402.64x = 234,567.97 × 93,240.60
  4. Step 4: Simplify right side
    156,402.64x = 21,871,258,263.58
  5. Step 5: Solve for x
    x = 21,871,258,263.58/156,402.64
  6. Step 6: Final answer
    x = 139,839.44

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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.