Home / 328,973.84-453,983.40-178,071.44

Finding the Fourth Proportional to 328,973.84, 453,983.40 and 178,071.44

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Solution

The fourth proportional to 328,973.84, 453,983.40 and 178,071.44 is: 245,738.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,973.84 : 453,983.40 = 178,071.44 : x
  2. Step 2: Convert to fraction form
    328,973.84/453,983.40 = 178,071.44/x
  3. Step 3: Cross multiply
    328,973.84x = 453,983.40 × 178,071.44
  4. Step 4: Simplify right side
    328,973.84x = 80,841,477,774.10
  5. Step 5: Solve for x
    x = 80,841,477,774.10/328,973.84
  6. Step 6: Final answer
    x = 245,738.32

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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.