Home / 268,108.47-369,897.09-171,368.91

Finding the Fourth Proportional to 268,108.47, 369,897.09 and 171,368.91

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Solution

The fourth proportional to 268,108.47, 369,897.09 and 171,368.91 is: 236,429.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,108.47 : 369,897.09 = 171,368.91 : x
  2. Step 2: Convert to fraction form
    268,108.47/369,897.09 = 171,368.91/x
  3. Step 3: Cross multiply
    268,108.47x = 369,897.09 × 171,368.91
  4. Step 4: Simplify right side
    268,108.47x = 63,388,861,125.47
  5. Step 5: Solve for x
    x = 63,388,861,125.47/268,108.47
  6. Step 6: Final answer
    x = 236,429.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.