Home / 319,165.02-440,447.75-175,928.13

Finding the Fourth Proportional to 319,165.02, 440,447.75 and 175,928.13

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Solution

The fourth proportional to 319,165.02, 440,447.75 and 175,928.13 is: 242,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,165.02 : 440,447.75 = 175,928.13 : x
  2. Step 2: Convert to fraction form
    319,165.02/440,447.75 = 175,928.13/x
  3. Step 3: Cross multiply
    319,165.02x = 440,447.75 × 175,928.13
  4. Step 4: Simplify right side
    319,165.02x = 77,487,148,140.57
  5. Step 5: Solve for x
    x = 77,487,148,140.57/319,165.02
  6. Step 6: Final answer
    x = 242,780.83

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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.