Home / 191,036.13-286,160.40-111,910.47

Finding the Fourth Proportional to 191,036.13, 286,160.40 and 111,910.47

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Solution

The fourth proportional to 191,036.13, 286,160.40 and 111,910.47 is: 167,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,036.13 : 286,160.40 = 111,910.47 : x
  2. Step 2: Convert to fraction form
    191,036.13/286,160.40 = 111,910.47/x
  3. Step 3: Cross multiply
    191,036.13x = 286,160.40 × 111,910.47
  4. Step 4: Simplify right side
    191,036.13x = 32,024,344,859.39
  5. Step 5: Solve for x
    x = 32,024,344,859.39/191,036.13
  6. Step 6: Final answer
    x = 167,635.02

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1.5x scale

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.