Home / 191,186.28-286,108.20-157,055.04

Finding the Fourth Proportional to 191,186.28, 286,108.20 and 157,055.04

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Solution

The fourth proportional to 191,186.28, 286,108.20 and 157,055.04 is: 235,031.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,186.28 : 286,108.20 = 157,055.04 : x
  2. Step 2: Convert to fraction form
    191,186.28/286,108.20 = 157,055.04/x
  3. Step 3: Cross multiply
    191,186.28x = 286,108.20 × 157,055.04
  4. Step 4: Simplify right side
    191,186.28x = 44,934,734,795.33
  5. Step 5: Solve for x
    x = 44,934,734,795.33/191,186.28
  6. Step 6: Final answer
    x = 235,031.17

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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.