Home / 284,176.84-392,177.10-163,357.24

Finding the Fourth Proportional to 284,176.84, 392,177.10 and 163,357.24

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Solution

The fourth proportional to 284,176.84, 392,177.10 and 163,357.24 is: 225,440.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,176.84 : 392,177.10 = 163,357.24 : x
  2. Step 2: Convert to fraction form
    284,176.84/392,177.10 = 163,357.24/x
  3. Step 3: Cross multiply
    284,176.84x = 392,177.10 × 163,357.24
  4. Step 4: Simplify right side
    284,176.84x = 64,064,968,647.20
  5. Step 5: Solve for x
    x = 64,064,968,647.20/284,176.84
  6. Step 6: Final answer
    x = 225,440.50

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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.