Home / 284,225.58-392,231.36-156,901.26

Finding the Fourth Proportional to 284,225.58, 392,231.36 and 156,901.26

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Solution

The fourth proportional to 284,225.58, 392,231.36 and 156,901.26 is: 216,523.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,225.58 : 392,231.36 = 156,901.26 : x
  2. Step 2: Convert to fraction form
    284,225.58/392,231.36 = 156,901.26/x
  3. Step 3: Cross multiply
    284,225.58x = 392,231.36 × 156,901.26
  4. Step 4: Simplify right side
    284,225.58x = 61,541,594,595.51
  5. Step 5: Solve for x
    x = 61,541,594,595.51/284,225.58
  6. Step 6: Final answer
    x = 216,523.77

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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.