Home / 191,246.86-286,607.85-121,000.42

Finding the Fourth Proportional to 191,246.86, 286,607.85 and 121,000.42

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Solution

The fourth proportional to 191,246.86, 286,607.85 and 121,000.42 is: 181,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,246.86 : 286,607.85 = 121,000.42 : x
  2. Step 2: Convert to fraction form
    191,246.86/286,607.85 = 121,000.42/x
  3. Step 3: Cross multiply
    191,246.86x = 286,607.85 × 121,000.42
  4. Step 4: Simplify right side
    191,246.86x = 34,679,670,225.30
  5. Step 5: Solve for x
    x = 34,679,670,225.30/191,246.86
  6. Step 6: Final answer
    x = 181,334.59

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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.