Home / 186,678.03-257,621.00-101,799.75

Finding the Fourth Proportional to 186,678.03, 257,621.00 and 101,799.75

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Solution

The fourth proportional to 186,678.03, 257,621.00 and 101,799.75 is: 140,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,678.03 : 257,621.00 = 101,799.75 : x
  2. Step 2: Convert to fraction form
    186,678.03/257,621.00 = 101,799.75/x
  3. Step 3: Cross multiply
    186,678.03x = 257,621.00 × 101,799.75
  4. Step 4: Simplify right side
    186,678.03x = 26,225,752,885.75
  5. Step 5: Solve for x
    x = 26,225,752,885.75/186,678.03
  6. Step 6: Final answer
    x = 140,486.55

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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.