Home / 191,559.36-264,341.57-105,515.49

Finding the Fourth Proportional to 191,559.36, 264,341.57 and 105,515.49

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Solution

The fourth proportional to 191,559.36, 264,341.57 and 105,515.49 is: 145,605.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,559.36 : 264,341.57 = 105,515.49 : x
  2. Step 2: Convert to fraction form
    191,559.36/264,341.57 = 105,515.49/x
  3. Step 3: Cross multiply
    191,559.36x = 264,341.57 × 105,515.49
  4. Step 4: Simplify right side
    191,559.36x = 27,892,129,758.34
  5. Step 5: Solve for x
    x = 27,892,129,758.34/191,559.36
  6. Step 6: Final answer
    x = 145,605.67

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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.