Home / 127,663.65-191,438.85-48,722.67

Finding the Fourth Proportional to 127,663.65, 191,438.85 and 48,722.67

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Solution

The fourth proportional to 127,663.65, 191,438.85 and 48,722.67 is: 73,062.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,663.65 : 191,438.85 = 48,722.67 : x
  2. Step 2: Convert to fraction form
    127,663.65/191,438.85 = 48,722.67/x
  3. Step 3: Cross multiply
    127,663.65x = 191,438.85 × 48,722.67
  4. Step 4: Simplify right side
    127,663.65x = 9,327,411,913.73
  5. Step 5: Solve for x
    x = 9,327,411,913.73/127,663.65
  6. Step 6: Final answer
    x = 73,062.39

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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.