Home / 464,095.80-696,144.32-127,139.36

Finding the Fourth Proportional to 464,095.80, 696,144.32 and 127,139.36

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Solution

The fourth proportional to 464,095.80, 696,144.32 and 127,139.36 is: 190,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,095.80 : 696,144.32 = 127,139.36 : x
  2. Step 2: Convert to fraction form
    464,095.80/696,144.32 = 127,139.36/x
  3. Step 3: Cross multiply
    464,095.80x = 696,144.32 × 127,139.36
  4. Step 4: Simplify right side
    464,095.80x = 88,507,343,312.44
  5. Step 5: Solve for x
    x = 88,507,343,312.44/464,095.80
  6. Step 6: Final answer
    x = 190,709.21

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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.