Home / 108,255.40-149,387.74-59,196.11

Finding the Fourth Proportional to 108,255.40, 149,387.74 and 59,196.11

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Solution

The fourth proportional to 108,255.40, 149,387.74 and 59,196.11 is: 81,688.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,255.40 : 149,387.74 = 59,196.11 : x
  2. Step 2: Convert to fraction form
    108,255.40/149,387.74 = 59,196.11/x
  3. Step 3: Cross multiply
    108,255.40x = 149,387.74 × 59,196.11
  4. Step 4: Simplify right side
    108,255.40x = 8,843,173,315.17
  5. Step 5: Solve for x
    x = 8,843,173,315.17/108,255.40
  6. Step 6: Final answer
    x = 81,688.06

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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.