Home / 207,861.66-286,849.82-112,368.36

Finding the Fourth Proportional to 207,861.66, 286,849.82 and 112,368.36

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Solution

The fourth proportional to 207,861.66, 286,849.82 and 112,368.36 is: 155,068.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,861.66 : 286,849.82 = 112,368.36 : x
  2. Step 2: Convert to fraction form
    207,861.66/286,849.82 = 112,368.36/x
  3. Step 3: Cross multiply
    207,861.66x = 286,849.82 × 112,368.36
  4. Step 4: Simplify right side
    207,861.66x = 32,232,845,196.30
  5. Step 5: Solve for x
    x = 32,232,845,196.30/207,861.66
  6. Step 6: Final answer
    x = 155,068.74

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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.