Home / 557,128.02-836,024.08-202,169.72

Finding the Fourth Proportional to 557,128.02, 836,024.08 and 202,169.72

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Solution

The fourth proportional to 557,128.02, 836,024.08 and 202,169.72 is: 303,375.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,128.02 : 836,024.08 = 202,169.72 : x
  2. Step 2: Convert to fraction form
    557,128.02/836,024.08 = 202,169.72/x
  3. Step 3: Cross multiply
    557,128.02x = 836,024.08 × 202,169.72
  4. Step 4: Simplify right side
    557,128.02x = 169,018,754,166.86
  5. Step 5: Solve for x
    x = 169,018,754,166.86/557,128.02
  6. Step 6: Final answer
    x = 303,375.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.