Home / 427,148.04-589,412.34-236,134.92

Finding the Fourth Proportional to 427,148.04, 589,412.34 and 236,134.92

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Solution

The fourth proportional to 427,148.04, 589,412.34 and 236,134.92 is: 325,837.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,148.04 : 589,412.34 = 236,134.92 : x
  2. Step 2: Convert to fraction form
    427,148.04/589,412.34 = 236,134.92/x
  3. Step 3: Cross multiply
    427,148.04x = 589,412.34 × 236,134.92
  4. Step 4: Simplify right side
    427,148.04x = 139,180,835,752.91
  5. Step 5: Solve for x
    x = 139,180,835,752.91/427,148.04
  6. Step 6: Final answer
    x = 325,837.47

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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.