Home / 186,237.10-257,012.58-101,359.54

Finding the Fourth Proportional to 186,237.10, 257,012.58 and 101,359.54

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Solution

The fourth proportional to 186,237.10, 257,012.58 and 101,359.54 is: 139,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,237.10 : 257,012.58 = 101,359.54 : x
  2. Step 2: Convert to fraction form
    186,237.10/257,012.58 = 101,359.54/x
  3. Step 3: Cross multiply
    186,237.10x = 257,012.58 × 101,359.54
  4. Step 4: Simplify right side
    186,237.10x = 26,050,676,883.01
  5. Step 5: Solve for x
    x = 26,050,676,883.01/186,237.10
  6. Step 6: Final answer
    x = 139,879.09

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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.