Home / 369,721.89-554,560.95-103,476.51

Finding the Fourth Proportional to 369,721.89, 554,560.95 and 103,476.51

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Solution

The fourth proportional to 369,721.89, 554,560.95 and 103,476.51 is: 155,208.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,721.89 : 554,560.95 = 103,476.51 : x
  2. Step 2: Convert to fraction form
    369,721.89/554,560.95 = 103,476.51/x
  3. Step 3: Cross multiply
    369,721.89x = 554,560.95 × 103,476.51
  4. Step 4: Simplify right side
    369,721.89x = 57,384,031,688.28
  5. Step 5: Solve for x
    x = 57,384,031,688.28/369,721.89
  6. Step 6: Final answer
    x = 155,208.64

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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.