Home / 191,816.07-264,705.63-111,290.73

Finding the Fourth Proportional to 191,816.07, 264,705.63 and 111,290.73

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Solution

The fourth proportional to 191,816.07, 264,705.63 and 111,290.73 is: 153,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,816.07 : 264,705.63 = 111,290.73 : x
  2. Step 2: Convert to fraction form
    191,816.07/264,705.63 = 111,290.73/x
  3. Step 3: Cross multiply
    191,816.07x = 264,705.63 × 111,290.73
  4. Step 4: Simplify right side
    191,816.07x = 29,459,282,797.81
  5. Step 5: Solve for x
    x = 29,459,282,797.81/191,816.07
  6. Step 6: Final answer
    x = 153,580.89

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1.5x scale

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.