Home / 515,038.26-772,523.52-178,000.50

Finding the Fourth Proportional to 515,038.26, 772,523.52 and 178,000.50

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Solution

The fourth proportional to 515,038.26, 772,523.52 and 178,000.50 is: 266,989.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,038.26 : 772,523.52 = 178,000.50 : x
  2. Step 2: Convert to fraction form
    515,038.26/772,523.52 = 178,000.50/x
  3. Step 3: Cross multiply
    515,038.26x = 772,523.52 × 178,000.50
  4. Step 4: Simplify right side
    515,038.26x = 137,509,572,821.76
  5. Step 5: Solve for x
    x = 137,509,572,821.76/515,038.26
  6. Step 6: Final answer
    x = 266,989.04

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1.5x scale

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.