Home / 119,417.01-164,702.18-74,069.57

Finding the Fourth Proportional to 119,417.01, 164,702.18 and 74,069.57

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Solution

The fourth proportional to 119,417.01, 164,702.18 and 74,069.57 is: 102,158.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,417.01 : 164,702.18 = 74,069.57 : x
  2. Step 2: Convert to fraction form
    119,417.01/164,702.18 = 74,069.57/x
  3. Step 3: Cross multiply
    119,417.01x = 164,702.18 × 74,069.57
  4. Step 4: Simplify right side
    119,417.01x = 12,199,418,456.80
  5. Step 5: Solve for x
    x = 12,199,418,456.80/119,417.01
  6. Step 6: Final answer
    x = 102,158.13

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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.