Home / 186,490.32-257,356.66-101,607.40

Finding the Fourth Proportional to 186,490.32, 257,356.66 and 101,607.40

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Solution

The fourth proportional to 186,490.32, 257,356.66 and 101,607.40 is: 140,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,490.32 : 257,356.66 = 101,607.40 : x
  2. Step 2: Convert to fraction form
    186,490.32/257,356.66 = 101,607.40/x
  3. Step 3: Cross multiply
    186,490.32x = 257,356.66 × 101,607.40
  4. Step 4: Simplify right side
    186,490.32x = 26,149,341,095.28
  5. Step 5: Solve for x
    x = 26,149,341,095.28/186,490.32
  6. Step 6: Final answer
    x = 140,218.22

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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.