Home / 191,485.64-287,271.09-58,376.25

Finding the Fourth Proportional to 191,485.64, 287,271.09 and 58,376.25

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Solution

The fourth proportional to 191,485.64, 287,271.09 and 58,376.25 is: 87,577.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,485.64 : 287,271.09 = 58,376.25 : x
  2. Step 2: Convert to fraction form
    191,485.64/287,271.09 = 58,376.25/x
  3. Step 3: Cross multiply
    191,485.64x = 287,271.09 × 58,376.25
  4. Step 4: Simplify right side
    191,485.64x = 16,769,808,967.61
  5. Step 5: Solve for x
    x = 16,769,808,967.61/191,485.64
  6. Step 6: Final answer
    x = 87,577.37

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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.