Home / 191,102.13-286,615.53-181,618.65

Finding the Fourth Proportional to 191,102.13, 286,615.53 and 181,618.65

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Solution

The fourth proportional to 191,102.13, 286,615.53 and 181,618.65 is: 272,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,102.13 : 286,615.53 = 181,618.65 : x
  2. Step 2: Convert to fraction form
    191,102.13/286,615.53 = 181,618.65/x
  3. Step 3: Cross multiply
    191,102.13x = 286,615.53 × 181,618.65
  4. Step 4: Simplify right side
    191,102.13x = 52,054,725,627.63
  5. Step 5: Solve for x
    x = 52,054,725,627.63/191,102.13
  6. Step 6: Final answer
    x = 272,392.18

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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.