Home / 191,719.87-264,551.71-111,130.74

Finding the Fourth Proportional to 191,719.87, 264,551.71 and 111,130.74

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Solution

The fourth proportional to 191,719.87, 264,551.71 and 111,130.74 is: 153,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,719.87 : 264,551.71 = 111,130.74 : x
  2. Step 2: Convert to fraction form
    191,719.87/264,551.71 = 111,130.74/x
  3. Step 3: Cross multiply
    191,719.87x = 264,551.71 × 111,130.74
  4. Step 4: Simplify right side
    191,719.87x = 29,399,827,300.57
  5. Step 5: Solve for x
    x = 29,399,827,300.57/191,719.87
  6. Step 6: Final answer
    x = 153,347.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.