Home / 283,211.27-390,632.53-186,384.28

Finding the Fourth Proportional to 283,211.27, 390,632.53 and 186,384.28

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Solution

The fourth proportional to 283,211.27, 390,632.53 and 186,384.28 is: 257,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,211.27 : 390,632.53 = 186,384.28 : x
  2. Step 2: Convert to fraction form
    283,211.27/390,632.53 = 186,384.28/x
  3. Step 3: Cross multiply
    283,211.27x = 390,632.53 × 186,384.28
  4. Step 4: Simplify right side
    283,211.27x = 72,807,759,963.54
  5. Step 5: Solve for x
    x = 72,807,759,963.54/283,211.27
  6. Step 6: Final answer
    x = 257,079.32

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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.