Home / 319,154.24-440,271.04-243,571.52

Finding the Fourth Proportional to 319,154.24, 440,271.04 and 243,571.52

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Solution

The fourth proportional to 319,154.24, 440,271.04 and 243,571.52 is: 336,005.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,154.24 : 440,271.04 = 243,571.52 : x
  2. Step 2: Convert to fraction form
    319,154.24/440,271.04 = 243,571.52/x
  3. Step 3: Cross multiply
    319,154.24x = 440,271.04 × 243,571.52
  4. Step 4: Simplify right side
    319,154.24x = 107,237,486,424.78
  5. Step 5: Solve for x
    x = 107,237,486,424.78/319,154.24
  6. Step 6: Final answer
    x = 336,005.21

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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.