Home / 191,816.04-287,901.50-97,112.76

Finding the Fourth Proportional to 191,816.04, 287,901.50 and 97,112.76

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Solution

The fourth proportional to 191,816.04, 287,901.50 and 97,112.76 is: 145,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.04 : 287,901.50 = 97,112.76 : x
  2. Step 2: Convert to fraction form
    191,816.04/287,901.50 = 97,112.76/x
  3. Step 3: Cross multiply
    191,816.04x = 287,901.50 × 97,112.76
  4. Step 4: Simplify right side
    191,816.04x = 27,958,909,273.14
  5. Step 5: Solve for x
    x = 27,958,909,273.14/191,816.04
  6. Step 6: Final answer
    x = 145,758.97

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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.