Home / 119,368.29-164,673.02-71,538.60

Finding the Fourth Proportional to 119,368.29, 164,673.02 and 71,538.60

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Solution

The fourth proportional to 119,368.29, 164,673.02 and 71,538.60 is: 98,690.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,368.29 : 164,673.02 = 71,538.60 : x
  2. Step 2: Convert to fraction form
    119,368.29/164,673.02 = 71,538.60/x
  3. Step 3: Cross multiply
    119,368.29x = 164,673.02 × 71,538.60
  4. Step 4: Simplify right side
    119,368.29x = 11,780,476,950.88
  5. Step 5: Solve for x
    x = 11,780,476,950.88/119,368.29
  6. Step 6: Final answer
    x = 98,690.17

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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.