Home / 186,237.72-257,000.40-101,355.12

Finding the Fourth Proportional to 186,237.72, 257,000.40 and 101,355.12

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Solution

The fourth proportional to 186,237.72, 257,000.40 and 101,355.12 is: 139,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,237.72 : 257,000.40 = 101,355.12 : x
  2. Step 2: Convert to fraction form
    186,237.72/257,000.40 = 101,355.12/x
  3. Step 3: Cross multiply
    186,237.72x = 257,000.40 × 101,355.12
  4. Step 4: Simplify right side
    186,237.72x = 26,048,306,382.05
  5. Step 5: Solve for x
    x = 26,048,306,382.05/186,237.72
  6. Step 6: Final answer
    x = 139,865.90

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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.