Home / 191,890.20-288,130.55-171,026.22

Finding the Fourth Proportional to 191,890.20, 288,130.55 and 171,026.22

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Solution

The fourth proportional to 191,890.20, 288,130.55 and 171,026.22 is: 256,802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,890.20 : 288,130.55 = 171,026.22 : x
  2. Step 2: Convert to fraction form
    191,890.20/288,130.55 = 171,026.22/x
  3. Step 3: Cross multiply
    191,890.20x = 288,130.55 × 171,026.22
  4. Step 4: Simplify right side
    191,890.20x = 49,277,878,833.02
  5. Step 5: Solve for x
    x = 49,277,878,833.02/191,890.20
  6. Step 6: Final answer
    x = 256,802.48

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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.