Home / 191,513.16-287,335.35-73,218.33

Finding the Fourth Proportional to 191,513.16, 287,335.35 and 73,218.33

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Solution

The fourth proportional to 191,513.16, 287,335.35 and 73,218.33 is: 109,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,513.16 : 287,335.35 = 73,218.33 : x
  2. Step 2: Convert to fraction form
    191,513.16/287,335.35 = 73,218.33/x
  3. Step 3: Cross multiply
    191,513.16x = 287,335.35 × 73,218.33
  4. Step 4: Simplify right side
    191,513.16x = 21,038,214,476.97
  5. Step 5: Solve for x
    x = 21,038,214,476.97/191,513.16
  6. Step 6: Final answer
    x = 109,852.58

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1.5x scale

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.