Home / 191,268.08-287,032.68-66,609.04

Finding the Fourth Proportional to 191,268.08, 287,032.68 and 66,609.04

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Solution

The fourth proportional to 191,268.08, 287,032.68 and 66,609.04 is: 99,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,268.08 : 287,032.68 = 66,609.04 : x
  2. Step 2: Convert to fraction form
    191,268.08/287,032.68 = 66,609.04/x
  3. Step 3: Cross multiply
    191,268.08x = 287,032.68 × 66,609.04
  4. Step 4: Simplify right side
    191,268.08x = 19,118,971,263.43
  5. Step 5: Solve for x
    x = 19,118,971,263.43/191,268.08
  6. Step 6: Final answer
    x = 99,959.03

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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.