Home / 191,923.20-287,776.80-73,598.40

Finding the Fourth Proportional to 191,923.20, 287,776.80 and 73,598.40

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Solution

The fourth proportional to 191,923.20, 287,776.80 and 73,598.40 is: 110,356.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,923.20 : 287,776.80 = 73,598.40 : x
  2. Step 2: Convert to fraction form
    191,923.20/287,776.80 = 73,598.40/x
  3. Step 3: Cross multiply
    191,923.20x = 287,776.80 × 73,598.40
  4. Step 4: Simplify right side
    191,923.20x = 21,179,912,037.12
  5. Step 5: Solve for x
    x = 21,179,912,037.12/191,923.20
  6. Step 6: Final answer
    x = 110,356.18

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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.