Home / 149,116.04-205,767.54-87,852.44

Finding the Fourth Proportional to 149,116.04, 205,767.54 and 87,852.44

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Solution

The fourth proportional to 149,116.04, 205,767.54 and 87,852.44 is: 121,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,116.04 : 205,767.54 = 87,852.44 : x
  2. Step 2: Convert to fraction form
    149,116.04/205,767.54 = 87,852.44/x
  3. Step 3: Cross multiply
    149,116.04x = 205,767.54 × 87,852.44
  4. Step 4: Simplify right side
    149,116.04x = 18,077,180,461.80
  5. Step 5: Solve for x
    x = 18,077,180,461.80/149,116.04
  6. Step 6: Final answer
    x = 121,228.95

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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.