Home / 189,211.03-260,839.91-148,854.71

Finding the Fourth Proportional to 189,211.03, 260,839.91 and 148,854.71

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Solution

The fourth proportional to 189,211.03, 260,839.91 and 148,854.71 is: 205,206.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,211.03 : 260,839.91 = 148,854.71 : x
  2. Step 2: Convert to fraction form
    189,211.03/260,839.91 = 148,854.71/x
  3. Step 3: Cross multiply
    189,211.03x = 260,839.91 × 148,854.71
  4. Step 4: Simplify right side
    189,211.03x = 38,827,248,227.41
  5. Step 5: Solve for x
    x = 38,827,248,227.41/189,211.03
  6. Step 6: Final answer
    x = 205,206.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.