Home / 257,389.27-355,196.57-141,102.53

Finding the Fourth Proportional to 257,389.27, 355,196.57 and 141,102.53

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Solution

The fourth proportional to 257,389.27, 355,196.57 and 141,102.53 is: 194,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,389.27 : 355,196.57 = 141,102.53 : x
  2. Step 2: Convert to fraction form
    257,389.27/355,196.57 = 141,102.53/x
  3. Step 3: Cross multiply
    257,389.27x = 355,196.57 × 141,102.53
  4. Step 4: Simplify right side
    257,389.27x = 50,119,134,674.32
  5. Step 5: Solve for x
    x = 50,119,134,674.32/257,389.27
  6. Step 6: Final answer
    x = 194,721.15

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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.