Home / 191,306.61-286,697.43-121,060.17

Finding the Fourth Proportional to 191,306.61, 286,697.43 and 121,060.17

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Solution

The fourth proportional to 191,306.61, 286,697.43 and 121,060.17 is: 181,424.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,306.61 : 286,697.43 = 121,060.17 : x
  2. Step 2: Convert to fraction form
    191,306.61/286,697.43 = 121,060.17/x
  3. Step 3: Cross multiply
    191,306.61x = 286,697.43 × 121,060.17
  4. Step 4: Simplify right side
    191,306.61x = 34,707,639,614.36
  5. Step 5: Solve for x
    x = 34,707,639,614.36/191,306.61
  6. Step 6: Final answer
    x = 181,424.15

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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.