Home / 284,140.03-392,164.04-169,426.06

Finding the Fourth Proportional to 284,140.03, 392,164.04 and 169,426.06

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Solution

The fourth proportional to 284,140.03, 392,164.04 and 169,426.06 is: 233,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,140.03 : 392,164.04 = 169,426.06 : x
  2. Step 2: Convert to fraction form
    284,140.03/392,164.04 = 169,426.06/x
  3. Step 3: Cross multiply
    284,140.03x = 392,164.04 × 169,426.06
  4. Step 4: Simplify right side
    284,140.03x = 66,442,808,170.88
  5. Step 5: Solve for x
    x = 66,442,808,170.88/284,140.03
  6. Step 6: Final answer
    x = 233,838.25

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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.