Home / 191,535.72-287,319.96-58,417.26

Finding the Fourth Proportional to 191,535.72, 287,319.96 and 58,417.26

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Solution

The fourth proportional to 191,535.72, 287,319.96 and 58,417.26 is: 87,630.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,535.72 : 287,319.96 = 58,417.26 : x
  2. Step 2: Convert to fraction form
    191,535.72/287,319.96 = 58,417.26/x
  3. Step 3: Cross multiply
    191,535.72x = 287,319.96 × 58,417.26
  4. Step 4: Simplify right side
    191,535.72x = 16,784,444,806.51
  5. Step 5: Solve for x
    x = 16,784,444,806.51/191,535.72
  6. Step 6: Final answer
    x = 87,630.89

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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.