Home / 186,911.18-257,937.32-102,028.22

Finding the Fourth Proportional to 186,911.18, 257,937.32 and 102,028.22

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Solution

The fourth proportional to 186,911.18, 257,937.32 and 102,028.22 is: 140,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,911.18 : 257,937.32 = 102,028.22 : x
  2. Step 2: Convert to fraction form
    186,911.18/257,937.32 = 102,028.22/x
  3. Step 3: Cross multiply
    186,911.18x = 257,937.32 × 102,028.22
  4. Step 4: Simplify right side
    186,911.18x = 26,316,885,631.17
  5. Step 5: Solve for x
    x = 26,316,885,631.17/186,911.18
  6. Step 6: Final answer
    x = 140,798.88

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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.