Home / 104,869.40-156,511.82-97,758.91

Finding the Fourth Proportional to 104,869.40, 156,511.82 and 97,758.91

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Solution

The fourth proportional to 104,869.40, 156,511.82 and 97,758.91 is: 145,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,869.40 : 156,511.82 = 97,758.91 : x
  2. Step 2: Convert to fraction form
    104,869.40/156,511.82 = 97,758.91/x
  3. Step 3: Cross multiply
    104,869.40x = 156,511.82 × 97,758.91
  4. Step 4: Simplify right side
    104,869.40x = 15,300,424,925.32
  5. Step 5: Solve for x
    x = 15,300,424,925.32/104,869.40
  6. Step 6: Final answer
    x = 145,899.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.