Home / 145,936.48-218,812.38-61,653.28

Finding the Fourth Proportional to 145,936.48, 218,812.38 and 61,653.28

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Solution

The fourth proportional to 145,936.48, 218,812.38 and 61,653.28 is: 92,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936.48 : 218,812.38 = 61,653.28 : x
  2. Step 2: Convert to fraction form
    145,936.48/218,812.38 = 61,653.28/x
  3. Step 3: Cross multiply
    145,936.48x = 218,812.38 × 61,653.28
  4. Step 4: Simplify right side
    145,936.48x = 13,490,500,931.61
  5. Step 5: Solve for x
    x = 13,490,500,931.61/145,936.48
  6. Step 6: Final answer
    x = 92,440.91

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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.