Home / 186,799.04-257,783.40-101,918

Finding the Fourth Proportional to 186,799.04, 257,783.40 and 101,918

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Solution

The fourth proportional to 186,799.04, 257,783.40 and 101,918 is: 140,647.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,799.04 : 257,783.40 = 101,918 : x
  2. Step 2: Convert to fraction form
    186,799.04/257,783.40 = 101,918/x
  3. Step 3: Cross multiply
    186,799.04x = 257,783.40 × 101,918
  4. Step 4: Simplify right side
    186,799.04x = 26,272,768,561.20
  5. Step 5: Solve for x
    x = 26,272,768,561.20/186,799.04
  6. Step 6: Final answer
    x = 140,647.24

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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.