Home / 186,423.40-257,265.54-101,539.72

Finding the Fourth Proportional to 186,423.40, 257,265.54 and 101,539.72

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Solution

The fourth proportional to 186,423.40, 257,265.54 and 101,539.72 is: 140,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,423.40 : 257,265.54 = 101,539.72 : x
  2. Step 2: Convert to fraction form
    186,423.40/257,265.54 = 101,539.72/x
  3. Step 3: Cross multiply
    186,423.40x = 257,265.54 × 101,539.72
  4. Step 4: Simplify right side
    186,423.40x = 26,122,670,897.25
  5. Step 5: Solve for x
    x = 26,122,670,897.25/186,423.40
  6. Step 6: Final answer
    x = 140,125.49

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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.