Home / 108,178.06-149,284.29-59,779.90

Finding the Fourth Proportional to 108,178.06, 149,284.29 and 59,779.90

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Solution

The fourth proportional to 108,178.06, 149,284.29 and 59,779.90 is: 82,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,178.06 : 149,284.29 = 59,779.90 : x
  2. Step 2: Convert to fraction form
    108,178.06/149,284.29 = 59,779.90/x
  3. Step 3: Cross multiply
    108,178.06x = 149,284.29 × 59,779.90
  4. Step 4: Simplify right side
    108,178.06x = 8,924,199,927.77
  5. Step 5: Solve for x
    x = 8,924,199,927.77/108,178.06
  6. Step 6: Final answer
    x = 82,495.47

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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.