Home / 185,872.95-256,545.70-122,216.67

Finding the Fourth Proportional to 185,872.95, 256,545.70 and 122,216.67

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Solution

The fourth proportional to 185,872.95, 256,545.70 and 122,216.67 is: 168,685.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,872.95 : 256,545.70 = 122,216.67 : x
  2. Step 2: Convert to fraction form
    185,872.95/256,545.70 = 122,216.67/x
  3. Step 3: Cross multiply
    185,872.95x = 256,545.70 × 122,216.67
  4. Step 4: Simplify right side
    185,872.95x = 31,354,160,851.28
  5. Step 5: Solve for x
    x = 31,354,160,851.28/185,872.95
  6. Step 6: Final answer
    x = 168,685.98

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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.