Home / 186,760.55-257,972.65-151,085.12

Finding the Fourth Proportional to 186,760.55, 257,972.65 and 151,085.12

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Solution

The fourth proportional to 186,760.55, 257,972.65 and 151,085.12 is: 208,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,760.55 : 257,972.65 = 151,085.12 : x
  2. Step 2: Convert to fraction form
    186,760.55/257,972.65 = 151,085.12/x
  3. Step 3: Cross multiply
    186,760.55x = 257,972.65 × 151,085.12
  4. Step 4: Simplify right side
    186,760.55x = 38,975,827,114.39
  5. Step 5: Solve for x
    x = 38,975,827,114.39/186,760.55
  6. Step 6: Final answer
    x = 208,694.11

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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.