Home / 191,544.30-287,316.45-73,154.70

Finding the Fourth Proportional to 191,544.30, 287,316.45 and 73,154.70

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Solution

The fourth proportional to 191,544.30, 287,316.45 and 73,154.70 is: 109,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,544.30 : 287,316.45 = 73,154.70 : x
  2. Step 2: Convert to fraction form
    191,544.30/287,316.45 = 73,154.70/x
  3. Step 3: Cross multiply
    191,544.30x = 287,316.45 × 73,154.70
  4. Step 4: Simplify right side
    191,544.30x = 21,018,548,704.82
  5. Step 5: Solve for x
    x = 21,018,548,704.82/191,544.30
  6. Step 6: Final answer
    x = 109,732.05

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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.