Home / 191,316.46-286,784.26-91,359.79

Finding the Fourth Proportional to 191,316.46, 286,784.26 and 91,359.79

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Solution

The fourth proportional to 191,316.46, 286,784.26 and 91,359.79 is: 136,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,316.46 : 286,784.26 = 91,359.79 : x
  2. Step 2: Convert to fraction form
    191,316.46/286,784.26 = 91,359.79/x
  3. Step 3: Cross multiply
    191,316.46x = 286,784.26 × 91,359.79
  4. Step 4: Simplify right side
    191,316.46x = 26,200,549,312.11
  5. Step 5: Solve for x
    x = 26,200,549,312.11/191,316.46
  6. Step 6: Final answer
    x = 136,948.75

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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.