Home / 186,615.09-257,528.61-101,732.13

Finding the Fourth Proportional to 186,615.09, 257,528.61 and 101,732.13

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Solution

The fourth proportional to 186,615.09, 257,528.61 and 101,732.13 is: 140,390.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,615.09 : 257,528.61 = 101,732.13 : x
  2. Step 2: Convert to fraction form
    186,615.09/257,528.61 = 101,732.13/x
  3. Step 3: Cross multiply
    186,615.09x = 257,528.61 × 101,732.13
  4. Step 4: Simplify right side
    186,615.09x = 26,198,934,031.24
  5. Step 5: Solve for x
    x = 26,198,934,031.24/186,615.09
  6. Step 6: Final answer
    x = 140,390.22

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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.