Home / 185,737.23-256,325.99-105,154.11

Finding the Fourth Proportional to 185,737.23, 256,325.99 and 105,154.11

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Solution

The fourth proportional to 185,737.23, 256,325.99 and 105,154.11 is: 145,117.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,737.23 : 256,325.99 = 105,154.11 : x
  2. Step 2: Convert to fraction form
    185,737.23/256,325.99 = 105,154.11/x
  3. Step 3: Cross multiply
    185,737.23x = 256,325.99 × 105,154.11
  4. Step 4: Simplify right side
    185,737.23x = 26,953,730,822.55
  5. Step 5: Solve for x
    x = 26,953,730,822.55/185,737.23
  6. Step 6: Final answer
    x = 145,117.54

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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.