Home / 515,295.10-772,947.63-195,360.93

Finding the Fourth Proportional to 515,295.10, 772,947.63 and 195,360.93

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Solution

The fourth proportional to 515,295.10, 772,947.63 and 195,360.93 is: 293,043.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,295.10 : 772,947.63 = 195,360.93 : x
  2. Step 2: Convert to fraction form
    515,295.10/772,947.63 = 195,360.93/x
  3. Step 3: Cross multiply
    515,295.10x = 772,947.63 × 195,360.93
  4. Step 4: Simplify right side
    515,295.10x = 151,003,767,838.10
  5. Step 5: Solve for x
    x = 151,003,767,838.10/515,295.10
  6. Step 6: Final answer
    x = 293,043.28

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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.