Home / 253,395.24-380,095.50-103,533.18

Finding the Fourth Proportional to 253,395.24, 380,095.50 and 103,533.18

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Solution

The fourth proportional to 253,395.24, 380,095.50 and 103,533.18 is: 155,300.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,395.24 : 380,095.50 = 103,533.18 : x
  2. Step 2: Convert to fraction form
    253,395.24/380,095.50 = 103,533.18/x
  3. Step 3: Cross multiply
    253,395.24x = 380,095.50 × 103,533.18
  4. Step 4: Simplify right side
    253,395.24x = 39,352,495,818.69
  5. Step 5: Solve for x
    x = 39,352,495,818.69/253,395.24
  6. Step 6: Final answer
    x = 155,300.85

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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.