Home / 191,186.14-286,779.18-91,042.71

Finding the Fourth Proportional to 191,186.14, 286,779.18 and 91,042.71

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Solution

The fourth proportional to 191,186.14, 286,779.18 and 91,042.71 is: 136,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,186.14 : 286,779.18 = 91,042.71 : x
  2. Step 2: Convert to fraction form
    191,186.14/286,779.18 = 91,042.71/x
  3. Step 3: Cross multiply
    191,186.14x = 286,779.18 × 91,042.71
  4. Step 4: Simplify right side
    191,186.14x = 26,109,153,718.78
  5. Step 5: Solve for x
    x = 26,109,153,718.78/191,186.14
  6. Step 6: Final answer
    x = 136,564.05

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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.