Home / 191,725.23-287,588.16-191,448.21

Finding the Fourth Proportional to 191,725.23, 287,588.16 and 191,448.21

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Solution

The fourth proportional to 191,725.23, 287,588.16 and 191,448.21 is: 287,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,725.23 : 287,588.16 = 191,448.21 : x
  2. Step 2: Convert to fraction form
    191,725.23/287,588.16 = 191,448.21/x
  3. Step 3: Cross multiply
    191,725.23x = 287,588.16 × 191,448.21
  4. Step 4: Simplify right side
    191,725.23x = 55,058,238,449.19
  5. Step 5: Solve for x
    x = 55,058,238,449.19/191,725.23
  6. Step 6: Final answer
    x = 287,172.63

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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.