Home / 319,173.28-440,459.02-175,935.71

Finding the Fourth Proportional to 319,173.28, 440,459.02 and 175,935.71

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Solution

The fourth proportional to 319,173.28, 440,459.02 and 175,935.71 is: 242,791.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,173.28 : 440,459.02 = 175,935.71 : x
  2. Step 2: Convert to fraction form
    319,173.28/440,459.02 = 175,935.71/x
  3. Step 3: Cross multiply
    319,173.28x = 440,459.02 × 175,935.71
  4. Step 4: Simplify right side
    319,173.28x = 77,492,470,741.03
  5. Step 5: Solve for x
    x = 77,492,470,741.03/319,173.28
  6. Step 6: Final answer
    x = 242,791.22

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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.