Home / 125,451.40-173,132.02-82,936.20

Finding the Fourth Proportional to 125,451.40, 173,132.02 and 82,936.20

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Solution

The fourth proportional to 125,451.40, 173,132.02 and 82,936.20 is: 114,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,451.40 : 173,132.02 = 82,936.20 : x
  2. Step 2: Convert to fraction form
    125,451.40/173,132.02 = 82,936.20/x
  3. Step 3: Cross multiply
    125,451.40x = 173,132.02 × 82,936.20
  4. Step 4: Simplify right side
    125,451.40x = 14,358,911,837.12
  5. Step 5: Solve for x
    x = 14,358,911,837.12/125,451.40
  6. Step 6: Final answer
    x = 114,457.96

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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.