Home / 191,522.08-287,272.32-84,875.32

Finding the Fourth Proportional to 191,522.08, 287,272.32 and 84,875.32

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Solution

The fourth proportional to 191,522.08, 287,272.32 and 84,875.32 is: 127,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,522.08 : 287,272.32 = 84,875.32 : x
  2. Step 2: Convert to fraction form
    191,522.08/287,272.32 = 84,875.32/x
  3. Step 3: Cross multiply
    191,522.08x = 287,272.32 × 84,875.32
  4. Step 4: Simplify right side
    191,522.08x = 24,382,330,087.14
  5. Step 5: Solve for x
    x = 24,382,330,087.14/191,522.08
  6. Step 6: Final answer
    x = 127,308.19

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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.