Home / 313,968.18-433,262.91-178,011.27

Finding the Fourth Proportional to 313,968.18, 433,262.91 and 178,011.27

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Solution

The fourth proportional to 313,968.18, 433,262.91 and 178,011.27 is: 245,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,968.18 : 433,262.91 = 178,011.27 : x
  2. Step 2: Convert to fraction form
    313,968.18/433,262.91 = 178,011.27/x
  3. Step 3: Cross multiply
    313,968.18x = 433,262.91 × 178,011.27
  4. Step 4: Simplify right side
    313,968.18x = 77,125,681,810.19
  5. Step 5: Solve for x
    x = 77,125,681,810.19/313,968.18
  6. Step 6: Final answer
    x = 245,648.08

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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.