Home / 186,360.86-257,178.30-101,478.26

Finding the Fourth Proportional to 186,360.86, 257,178.30 and 101,478.26

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Solution

The fourth proportional to 186,360.86, 257,178.30 and 101,478.26 is: 140,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,360.86 : 257,178.30 = 101,478.26 : x
  2. Step 2: Convert to fraction form
    186,360.86/257,178.30 = 101,478.26/x
  3. Step 3: Cross multiply
    186,360.86x = 257,178.30 × 101,478.26
  4. Step 4: Simplify right side
    186,360.86x = 26,098,006,393.76
  5. Step 5: Solve for x
    x = 26,098,006,393.76/186,360.86
  6. Step 6: Final answer
    x = 140,040.17

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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.