Home / 119,036.56-164,294.76-68,728.72

Finding the Fourth Proportional to 119,036.56, 164,294.76 and 68,728.72

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Solution

The fourth proportional to 119,036.56, 164,294.76 and 68,728.72 is: 94,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,036.56 : 164,294.76 = 68,728.72 : x
  2. Step 2: Convert to fraction form
    119,036.56/164,294.76 = 68,728.72/x
  3. Step 3: Cross multiply
    119,036.56x = 164,294.76 × 68,728.72
  4. Step 4: Simplify right side
    119,036.56x = 11,291,768,557.51
  5. Step 5: Solve for x
    x = 11,291,768,557.51/119,036.56
  6. Step 6: Final answer
    x = 94,859.67

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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.