Home / 191,513.21-264,296.40-106,630.25

Finding the Fourth Proportional to 191,513.21, 264,296.40 and 106,630.25

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Solution

The fourth proportional to 191,513.21, 264,296.40 and 106,630.25 is: 147,154.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,513.21 : 264,296.40 = 106,630.25 : x
  2. Step 2: Convert to fraction form
    191,513.21/264,296.40 = 106,630.25/x
  3. Step 3: Cross multiply
    191,513.21x = 264,296.40 × 106,630.25
  4. Step 4: Simplify right side
    191,513.21x = 28,181,991,206.10
  5. Step 5: Solve for x
    x = 28,181,991,206.10/191,513.21
  6. Step 6: Final answer
    x = 147,154.29

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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.