Home / 319,501.04-440,908.56-176,262.28

Finding the Fourth Proportional to 319,501.04, 440,908.56 and 176,262.28

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Solution

The fourth proportional to 319,501.04, 440,908.56 and 176,262.28 is: 243,240.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,501.04 : 440,908.56 = 176,262.28 : x
  2. Step 2: Convert to fraction form
    319,501.04/440,908.56 = 176,262.28/x
  3. Step 3: Cross multiply
    319,501.04x = 440,908.56 × 176,262.28
  4. Step 4: Simplify right side
    319,501.04x = 77,715,548,057.12
  5. Step 5: Solve for x
    x = 77,715,548,057.12/319,501.04
  6. Step 6: Final answer
    x = 243,240.36

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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.