Home / 514,125.36-771,039.96-177,152.40

Finding the Fourth Proportional to 514,125.36, 771,039.96 and 177,152.40

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Solution

The fourth proportional to 514,125.36, 771,039.96 and 177,152.40 is: 265,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,125.36 : 771,039.96 = 177,152.40 : x
  2. Step 2: Convert to fraction form
    514,125.36/771,039.96 = 177,152.40/x
  3. Step 3: Cross multiply
    514,125.36x = 771,039.96 × 177,152.40
  4. Step 4: Simplify right side
    514,125.36x = 136,591,579,409.90
  5. Step 5: Solve for x
    x = 136,591,579,409.90/514,125.36
  6. Step 6: Final answer
    x = 265,677.58

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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.