Home / 430,173.48-593,638.02-239,187

Finding the Fourth Proportional to 430,173.48, 593,638.02 and 239,187

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Solution

The fourth proportional to 430,173.48, 593,638.02 and 239,187 is: 330,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,173.48 : 593,638.02 = 239,187 : x
  2. Step 2: Convert to fraction form
    430,173.48/593,638.02 = 239,187/x
  3. Step 3: Cross multiply
    430,173.48x = 593,638.02 × 239,187
  4. Step 4: Simplify right side
    430,173.48x = 141,990,497,089.74
  5. Step 5: Solve for x
    x = 141,990,497,089.74/430,173.48
  6. Step 6: Final answer
    x = 330,077.29

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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.