Home / 191,713.48-287,252.36-116,606.40

Finding the Fourth Proportional to 191,713.48, 287,252.36 and 116,606.40

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Solution

The fourth proportional to 191,713.48, 287,252.36 and 116,606.40 is: 174,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,713.48 : 287,252.36 = 116,606.40 : x
  2. Step 2: Convert to fraction form
    191,713.48/287,252.36 = 116,606.40/x
  3. Step 3: Cross multiply
    191,713.48x = 287,252.36 × 116,606.40
  4. Step 4: Simplify right side
    191,713.48x = 33,495,463,591.10
  5. Step 5: Solve for x
    x = 33,495,463,591.10/191,713.48
  6. Step 6: Final answer
    x = 174,716.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.