Home / 186,300.12-257,086.10-101,417.48

Finding the Fourth Proportional to 186,300.12, 257,086.10 and 101,417.48

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Solution

The fourth proportional to 186,300.12, 257,086.10 and 101,417.48 is: 139,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,300.12 : 257,086.10 = 101,417.48 : x
  2. Step 2: Convert to fraction form
    186,300.12/257,086.10 = 101,417.48/x
  3. Step 3: Cross multiply
    186,300.12x = 257,086.10 × 101,417.48
  4. Step 4: Simplify right side
    186,300.12x = 26,073,024,405.03
  5. Step 5: Solve for x
    x = 26,073,024,405.03/186,300.12
  6. Step 6: Final answer
    x = 139,951.73

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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.