Home / 191,848.43-287,526.38-91,858.79

Finding the Fourth Proportional to 191,848.43, 287,526.38 and 91,858.79

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Solution

The fourth proportional to 191,848.43, 287,526.38 and 91,858.79 is: 137,670.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,848.43 : 287,526.38 = 91,858.79 : x
  2. Step 2: Convert to fraction form
    191,848.43/287,526.38 = 91,858.79/x
  3. Step 3: Cross multiply
    191,848.43x = 287,526.38 × 91,858.79
  4. Step 4: Simplify right side
    191,848.43x = 26,411,825,619.40
  5. Step 5: Solve for x
    x = 26,411,825,619.40/191,848.43
  6. Step 6: Final answer
    x = 137,670.27

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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.