Home / 191,250.18-286,612.82-121,003.74

Finding the Fourth Proportional to 191,250.18, 286,612.82 and 121,003.74

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Solution

The fourth proportional to 191,250.18, 286,612.82 and 121,003.74 is: 181,339.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,250.18 : 286,612.82 = 121,003.74 : x
  2. Step 2: Convert to fraction form
    191,250.18/286,612.82 = 121,003.74/x
  3. Step 3: Cross multiply
    191,250.18x = 286,612.82 × 121,003.74
  4. Step 4: Simplify right side
    191,250.18x = 34,681,223,151.95
  5. Step 5: Solve for x
    x = 34,681,223,151.95/191,250.18
  6. Step 6: Final answer
    x = 181,339.56

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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.