Home / 661,404.51-992,000.48-181,520.19

Finding the Fourth Proportional to 661,404.51, 992,000.48 and 181,520.19

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Solution

The fourth proportional to 661,404.51, 992,000.48 and 181,520.19 is: 272,251.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,404.51 : 992,000.48 = 181,520.19 : x
  2. Step 2: Convert to fraction form
    661,404.51/992,000.48 = 181,520.19/x
  3. Step 3: Cross multiply
    661,404.51x = 992,000.48 × 181,520.19
  4. Step 4: Simplify right side
    661,404.51x = 180,068,114,702.09
  5. Step 5: Solve for x
    x = 180,068,114,702.09/661,404.51
  6. Step 6: Final answer
    x = 272,251.11

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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.