Home / 191,528.04-287,158.82-84,854.12

Finding the Fourth Proportional to 191,528.04, 287,158.82 and 84,854.12

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Solution

The fourth proportional to 191,528.04, 287,158.82 and 84,854.12 is: 127,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,528.04 : 287,158.82 = 84,854.12 : x
  2. Step 2: Convert to fraction form
    191,528.04/287,158.82 = 84,854.12/x
  3. Step 3: Cross multiply
    191,528.04x = 287,158.82 × 84,854.12
  4. Step 4: Simplify right side
    191,528.04x = 24,366,608,971.34
  5. Step 5: Solve for x
    x = 24,366,608,971.34/191,528.04
  6. Step 6: Final answer
    x = 127,222.15

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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.