Home / 369,243.80-553,629.04-155,953.92

Finding the Fourth Proportional to 369,243.80, 553,629.04 and 155,953.92

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Solution

The fourth proportional to 369,243.80, 553,629.04 and 155,953.92 is: 233,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,243.80 : 553,629.04 = 155,953.92 : x
  2. Step 2: Convert to fraction form
    369,243.80/553,629.04 = 155,953.92/x
  3. Step 3: Cross multiply
    369,243.80x = 553,629.04 × 155,953.92
  4. Step 4: Simplify right side
    369,243.80x = 86,340,619,013.84
  5. Step 5: Solve for x
    x = 86,340,619,013.84/369,243.80
  6. Step 6: Final answer
    x = 233,830.92

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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.