Home / 186,239.72-257,003.16-101,357.12

Finding the Fourth Proportional to 186,239.72, 257,003.16 and 101,357.12

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Solution

The fourth proportional to 186,239.72, 257,003.16 and 101,357.12 is: 139,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,239.72 : 257,003.16 = 101,357.12 : x
  2. Step 2: Convert to fraction form
    186,239.72/257,003.16 = 101,357.12/x
  3. Step 3: Cross multiply
    186,239.72x = 257,003.16 × 101,357.12
  4. Step 4: Simplify right side
    186,239.72x = 26,049,100,128.50
  5. Step 5: Solve for x
    x = 26,049,100,128.50/186,239.72
  6. Step 6: Final answer
    x = 139,868.66

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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.