Home / 185,715.20-278,574.40-52,598.40

Finding the Fourth Proportional to 185,715.20, 278,574.40 and 52,598.40

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Solution

The fourth proportional to 185,715.20, 278,574.40 and 52,598.40 is: 78,898.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,715.20 : 278,574.40 = 52,598.40 : x
  2. Step 2: Convert to fraction form
    185,715.20/278,574.40 = 52,598.40/x
  3. Step 3: Cross multiply
    185,715.20x = 278,574.40 × 52,598.40
  4. Step 4: Simplify right side
    185,715.20x = 14,652,567,720.96
  5. Step 5: Solve for x
    x = 14,652,567,720.96/185,715.20
  6. Step 6: Final answer
    x = 78,898.05

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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.