Home / 319,172.24-440,477.37-175,931.93

Finding the Fourth Proportional to 319,172.24, 440,477.37 and 175,931.93

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Solution

The fourth proportional to 319,172.24, 440,477.37 and 175,931.93 is: 242,796.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,172.24 : 440,477.37 = 175,931.93 : x
  2. Step 2: Convert to fraction form
    319,172.24/440,477.37 = 175,931.93/x
  3. Step 3: Cross multiply
    319,172.24x = 440,477.37 × 175,931.93
  4. Step 4: Simplify right side
    319,172.24x = 77,494,031,623.04
  5. Step 5: Solve for x
    x = 77,494,031,623.04/319,172.24
  6. Step 6: Final answer
    x = 242,796.91

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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.