Home / 104,258.60-143,877.17-56,512.14

Finding the Fourth Proportional to 104,258.60, 143,877.17 and 56,512.14

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Solution

The fourth proportional to 104,258.60, 143,877.17 and 56,512.14 is: 77,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,258.60 : 143,877.17 = 56,512.14 : x
  2. Step 2: Convert to fraction form
    104,258.60/143,877.17 = 56,512.14/x
  3. Step 3: Cross multiply
    104,258.60x = 143,877.17 × 56,512.14
  4. Step 4: Simplify right side
    104,258.60x = 8,130,806,195.74
  5. Step 5: Solve for x
    x = 8,130,806,195.74/104,258.60
  6. Step 6: Final answer
    x = 77,986.91

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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.