Home / 103,114.52-154,637.16-46,152.74

Finding the Fourth Proportional to 103,114.52, 154,637.16 and 46,152.74

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Solution

The fourth proportional to 103,114.52, 154,637.16 and 46,152.74 is: 69,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,114.52 : 154,637.16 = 46,152.74 : x
  2. Step 2: Convert to fraction form
    103,114.52/154,637.16 = 46,152.74/x
  3. Step 3: Cross multiply
    103,114.52x = 154,637.16 × 46,152.74
  4. Step 4: Simplify right side
    103,114.52x = 7,136,928,639.82
  5. Step 5: Solve for x
    x = 7,136,928,639.82/103,114.52
  6. Step 6: Final answer
    x = 69,213.61

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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.