Home / 185,685.48-278,528.22-101,399.66

Finding the Fourth Proportional to 185,685.48, 278,528.22 and 101,399.66

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Solution

The fourth proportional to 185,685.48, 278,528.22 and 101,399.66 is: 152,099.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,685.48 : 278,528.22 = 101,399.66 : x
  2. Step 2: Convert to fraction form
    185,685.48/278,528.22 = 101,399.66/x
  3. Step 3: Cross multiply
    185,685.48x = 278,528.22 × 101,399.66
  4. Step 4: Simplify right side
    185,685.48x = 28,242,666,808.41
  5. Step 5: Solve for x
    x = 28,242,666,808.41/185,685.48
  6. Step 6: Final answer
    x = 152,099.49

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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.