Home / 191,429.40-264,244.64-143,820.23

Finding the Fourth Proportional to 191,429.40, 264,244.64 and 143,820.23

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Solution

The fourth proportional to 191,429.40, 264,244.64 and 143,820.23 is: 198,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,429.40 : 264,244.64 = 143,820.23 : x
  2. Step 2: Convert to fraction form
    191,429.40/264,244.64 = 143,820.23/x
  3. Step 3: Cross multiply
    191,429.40x = 264,244.64 × 143,820.23
  4. Step 4: Simplify right side
    191,429.40x = 38,003,724,930.31
  5. Step 5: Solve for x
    x = 38,003,724,930.31/191,429.40
  6. Step 6: Final answer
    x = 198,526.07

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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.