Home / 191,817.04-287,903-97,113.76

Finding the Fourth Proportional to 191,817.04, 287,903 and 97,113.76

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Solution

The fourth proportional to 191,817.04, 287,903 and 97,113.76 is: 145,760.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,817.04 : 287,903 = 97,113.76 : x
  2. Step 2: Convert to fraction form
    191,817.04/287,903 = 97,113.76/x
  3. Step 3: Cross multiply
    191,817.04x = 287,903 × 97,113.76
  4. Step 4: Simplify right side
    191,817.04x = 27,959,342,845.28
  5. Step 5: Solve for x
    x = 27,959,342,845.28/191,817.04
  6. Step 6: Final answer
    x = 145,760.47

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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.