Home / 185,670.63-256,225.23-100,787.67

Finding the Fourth Proportional to 185,670.63, 256,225.23 and 100,787.67

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Solution

The fourth proportional to 185,670.63, 256,225.23 and 100,787.67 is: 139,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,670.63 : 256,225.23 = 100,787.67 : x
  2. Step 2: Convert to fraction form
    185,670.63/256,225.23 = 100,787.67/x
  3. Step 3: Cross multiply
    185,670.63x = 256,225.23 × 100,787.67
  4. Step 4: Simplify right side
    185,670.63x = 25,824,343,926.91
  5. Step 5: Solve for x
    x = 25,824,343,926.91/185,670.63
  6. Step 6: Final answer
    x = 139,086.85

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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.