Home / 186,899.16-257,923.53-102,014.40

Finding the Fourth Proportional to 186,899.16, 257,923.53 and 102,014.40

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Solution

The fourth proportional to 186,899.16, 257,923.53 and 102,014.40 is: 140,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,899.16 : 257,923.53 = 102,014.40 : x
  2. Step 2: Convert to fraction form
    186,899.16/257,923.53 = 102,014.40/x
  3. Step 3: Cross multiply
    186,899.16x = 257,923.53 × 102,014.40
  4. Step 4: Simplify right side
    186,899.16x = 26,311,914,158.83
  5. Step 5: Solve for x
    x = 26,311,914,158.83/186,899.16
  6. Step 6: Final answer
    x = 140,781.34

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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.