Home / 186,421.98-257,414.16-151,972.19

Finding the Fourth Proportional to 186,421.98, 257,414.16 and 151,972.19

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Solution

The fourth proportional to 186,421.98, 257,414.16 and 151,972.19 is: 209,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,421.98 : 257,414.16 = 151,972.19 : x
  2. Step 2: Convert to fraction form
    186,421.98/257,414.16 = 151,972.19/x
  3. Step 3: Cross multiply
    186,421.98x = 257,414.16 × 151,972.19
  4. Step 4: Simplify right side
    186,421.98x = 39,119,793,632.21
  5. Step 5: Solve for x
    x = 39,119,793,632.21/186,421.98
  6. Step 6: Final answer
    x = 209,845.39

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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.