Home / 191,389.84-264,126.72-106,512.37

Finding the Fourth Proportional to 191,389.84, 264,126.72 and 106,512.37

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Solution

The fourth proportional to 191,389.84, 264,126.72 and 106,512.37 is: 146,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,389.84 : 264,126.72 = 106,512.37 : x
  2. Step 2: Convert to fraction form
    191,389.84/264,126.72 = 106,512.37/x
  3. Step 3: Cross multiply
    191,389.84x = 264,126.72 × 106,512.37
  4. Step 4: Simplify right side
    191,389.84x = 28,132,762,666.63
  5. Step 5: Solve for x
    x = 28,132,762,666.63/191,389.84
  6. Step 6: Final answer
    x = 146,991.94

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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.