Home / 191,411.07-287,128.44-58,301.13

Finding the Fourth Proportional to 191,411.07, 287,128.44 and 58,301.13

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Solution

The fourth proportional to 191,411.07, 287,128.44 and 58,301.13 is: 87,455.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,411.07 : 287,128.44 = 58,301.13 : x
  2. Step 2: Convert to fraction form
    191,411.07/287,128.44 = 58,301.13/x
  3. Step 3: Cross multiply
    191,411.07x = 287,128.44 × 58,301.13
  4. Step 4: Simplify right side
    191,411.07x = 16,739,912,507.14
  5. Step 5: Solve for x
    x = 16,739,912,507.14/191,411.07
  6. Step 6: Final answer
    x = 87,455.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.