Home / 186,045.80-256,741.38-101,162.79

Finding the Fourth Proportional to 186,045.80, 256,741.38 and 101,162.79

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Solution

The fourth proportional to 186,045.80, 256,741.38 and 101,162.79 is: 139,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,045.80 : 256,741.38 = 101,162.79 : x
  2. Step 2: Convert to fraction form
    186,045.80/256,741.38 = 101,162.79/x
  3. Step 3: Cross multiply
    186,045.80x = 256,741.38 × 101,162.79
  4. Step 4: Simplify right side
    186,045.80x = 25,972,674,309.25
  5. Step 5: Solve for x
    x = 25,972,674,309.25/186,045.80
  6. Step 6: Final answer
    x = 139,603.66

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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.