Home / 545,184.72-817,886.76-190,103.40

Finding the Fourth Proportional to 545,184.72, 817,886.76 and 190,103.40

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Solution

The fourth proportional to 545,184.72, 817,886.76 and 190,103.40 is: 285,193.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,184.72 : 817,886.76 = 190,103.40 : x
  2. Step 2: Convert to fraction form
    545,184.72/817,886.76 = 190,103.40/x
  3. Step 3: Cross multiply
    545,184.72x = 817,886.76 × 190,103.40
  4. Step 4: Simplify right side
    545,184.72x = 155,483,053,890.98
  5. Step 5: Solve for x
    x = 155,483,053,890.98/545,184.72
  6. Step 6: Final answer
    x = 285,193.34

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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.